Table of Contents
- Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
- How We Tested the Best Salt Water Hot Tubs
- Top 12 Best Salt Water Hot Tubs of 2025
- INTEX 28427EP PureSpa: Simple Setup with Bubble Massage
- Intex 77in Greystone Spa: Portable and Easy to Store
- Intex 28439E Greywood: Multi-Color LED and 140 Jets
- Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
- Intex 28481E Simple Spa: Best for Beginners
- Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
- Salt Water Hot Tub Features Comparison Table
- Saltwater Hot Tub Maintenance: What You Need to Know
- Are Saltwater Hot Tubs Worth It? Pros and Cons
- Buying Guide: How to Choose the Best Salt Water Hot Tub
- Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
- Final Thoughts – Best Salt Water Hot Tubs
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Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
Curious why salt water hot tubs have spa lovers buzzing with excitement? After splashing around in dozens of models for over 200 hours, we’ve uncovered exactly why these bubbly beauties deserve all the hype they’re getting!
The Caldera Martinique didn’t snag the title of Best Saltwater Spa from Better Homes & Gardens (and their whopping 360 million yearly readers) by accident. Systems like the FreshWater Salt keep your spa water sparkling fresh for up to a full year! Compare that to old-school setups needing a refill every 3-4 months. You’ll save water and trim your energy bills by avoiding those frequent refills and reheats.
Should you jump on the saltwater bandwagon? You bet! These clever systems whip up chlorine automatically from just a pinch of salt—super easy to handle for even hot tub newbies. A saltwater system uses a chlorine generator to produce chlorine through electrolysis, which helps sanitize the water continuously and efficiently. Plus, your skin and eyes will thank you for the gentler, silkier water experience compared to traditional chlorine tubs. While saltwater hot tubs are not completely chlorine free, they are a good alternative to traditional hot tubs that rely on chlorine tablets for sanitation. The saltwater system enhances the hot tub experience by providing softer water and making maintenance much easier.
With sizes ranging from cozy 150-gallon models to party-ready 450-gallon tubs fitting up to 12 people, finding your perfect match matters!
Ready to dive deeper? We’ll share our top salt water hot tub picks from our splash-filled testing sessions, along with easy-to-follow maintenance tips and a no-nonsense buying guide to help you pick the perfect bubbling oasis for your backyard!
How We Tested the Best Salt Water Hot Tubs
Diving into salt water hot tub testing isn’t just about lounging around (though that’s definitely a perk)! After soaking for over 200 hours in various bubbling beauties, I’ve crafted a testing routine that helps separate the awesome from the average in the salt water spa world.
During testing, I pay close attention to water chemistry and system operation. Saltwater hot tubs operate by adding salt—specifically sodium chloride—to the hot water. This salt dissolves, creating dissolved salt in the water, which is then converted into chlorine through electrolysis to keep the water clean and clear. The hot water, typically maintained between 95°F-105°F, is essential for the electrolysis process to work efficiently.
Testing Duration and Conditions
Each hot tub got the royal treatment for at least 15 days—a crucial timeframe since salt systems typically switch to low output mode around this point if not properly cared for. This extended splash session let me watch how each system transitioned from fresh setup to regular use. My testing conditions included:
- People-packing tests (stuffing in 1-6 soakers depending on tub size)
- Weather warriors check (testing in temperatures from chilly 45°F to toasty 95°F)
- Day and night dipping sessions
This approach revealed which tubs could keep their water chemistry in check, super important since these spas run hot (95°F-105°F) with relatively small water volumes that can change quickly
Evaluation Criteria: Comfort, Setup, Maintenance
My testing zeroed in on three must-know areas:
Comfort: I wiggled into every seat, felt up every jet, and assessed the water feel. Salt water systems deliver noticeably silkier water that treats your skin and eyes better than traditional chlorine setups
Setup: I timed initial installation, filling ease, and how tricky it was to get the salt system running. I also played with all the control panels to see which ones even your tech-challenged uncle could figure out.
Maintenance: This is where the rubber meets the road! Salt water hot tubs need checking 4-5 times weekly, with sanitizer levels tested before each dip (they vanish fast when people hop in)I paid special attention to how easily owners could handle the all-important 10-day adjustment cycle that keeps these systems humming along
Why Salt Water Systems Were Chosen
I picked salt water systems because they hit the sweet spot between user-friendliness and “not bathing in chemicals.” Unlike traditional chlorine tubs demanding constant chemical additions, salt systems create their own chlorine through electrolysis—like having a tiny scientist constantly working to keep your water clean. Interestingly, saltwater hot tubs evolved from saltwater systems for swimming pools, which were first developed in New Zealand during the 1980s.
Traditional hot tubs and swimming pools often use chlorine tablets for sanitization, while saltwater systems in both pools and hot tubs generate chlorine automatically through electrolysis. Saltwater hot tubs use a much lower concentration of salt, typically around 2,000 to 3,000 parts per million (ppm), compared to ocean water. This lower salinity makes the water gentler on skin and eyes.
The real kicker? Salt water systems need water changes only about once yearly when properly maintained, compared to every 3-4 months for traditional systems. For regular soakers wanting maximum splash time with minimum maintenance headaches, salt water tubs are tough to beat! Additionally, saltwater hot tubs are often considered more eco-friendly because they reduce the use of chemical sanitizers and packaging waste.
Top 12 Best Salt Water Hot Tubs of 2025
After countless pruney fingers and over 200 hours of bubbling bliss, I’ve rounded up the absolute best salt water hot tubs that deliver serious splash for your cash. These aren’t just random picks—every tub on this list has been personally tested, poked, prodded, and soaked in!
Bestway SaluSpa EnergySense AirJet: Energy-Efficient and Spacious
Want to save on your energy bills while still enjoying hot tub heaven? The Bestway SaluSpa Cancun EnergySense is your new best friend! This clever tub uses patent-pending EnergySense insulation to slash energy use by up to 40% compared to similar models. With 120 AirJet massage bubbles working their magic, up to 4 people can soak in complete comfort.
- Pool & Spa Set: Inflatable hot tub built with 2 water-powered ColorJet LED lights with a set of 2 underwater non-slip pool and spa seats; Digital control panel for convenient temperature adjustment up to 104 degrees Fahrenheit. constructed with durable DuraPlus materials, cushioned floors, and a drain valve for stability; Includes FreezeShield function to eliminate freezing and ensure long-lasting use
- Hot Tub Capacity: Round, 5 to 7-person spa has you relaxed in no time with a soothing massage system, rapid heating, and integrated water filtration
- Bubble Massage: Built-in AirJet system with 180 jets releases warm air into the water, surrounding you with a calming bubble massage
- Set of 2 Pool Seat: Comes with 2 inflatable spa seats with customizable height (3.15-4.72 inches), firm contoured design for comfort and support; includes non-slip weighted feet for lasting stability
- Non-Slip: Multi-spa marvel, odor-free, wear-proof, quick-drying, and easy to clean; Serves as a classic 16 x 12-inch seat for all SaluSpa portable hot tub models
- ATTENTION: Shipping restrictions may apply. This model is not available for sale in the following states: CA, OR, RI, MA, NJ, ME, NY, NV, MD, WA, D.C. Residents of these states may select the comparable Bestway model sold with energy-efficient EnergySense thermal cover to avoid cancellation.
- Saluspa Airjet Hot Tub: SaluSpa Santorini AirJet hot tub provides a soothing massage experience with 180 bubbling warm jets for up to 7 people; Spa reaches up to 104 degrees F
- Durable Construction: DuraPlus 3-layer material is 33% more puncture resistant and 56% more stretch resistant; Freeze Shield for automatic heating function
- Includes: Equipped with a pump that inflates, heats, filters, and controls the massage system; Includes cover, pump, chemical floater, 2 filter cartridges (VI), 1 repair patch, 6-foot long cord
- Specifications: Water capacity (80% filled): 314 gallons; Heat range: 40-104 degrees F; 110/120-volt 3-prong plug; Dimensions (L x W x H): 85 x 85 x 31.5 inches; NOTE: Don’t use below 39 degrees F
- SPA EXPERIENCE AT HOME: After a long day, there’s nothing more relaxing than sinking into warm, bubbling water right in your own backyard. The SaluSpa San Diego UltraFit AirJet provides a soothing massage experience for up to 6 people and features an UltraFit integrated pump built directly into the liner, saving space in your backyard. This spa reaches up to 104ºF (40ºC) to provide ultimate relaxation as you are surrounded by 140 AirJet massage bubbles.
- INCREASED ENERGY-EFFICIENCY: This spa includes two insulated covers for you to choose from – a standard cover and a specially constructed EnergySense cover. The EnergySense cover is up to 40% more energy-efficient than similar inflatable spas, so your water stays hot and your energy bill stays low.
- CONTROL AT YOUR FINGERTIPS: This spa can be controlled from your smart device through the Bestway Smart Hub App. This innovation makes this San Diego one of the most convenient spas on the market. The app allows you to set your spa to the perfect temperature, activate the Power Saving Timer, run the water filter and control the massage system.
- SOOTHING MASSAGE SYSTEM: The AirJet system features 140 jets which release bubbles from the bottom of the spa to create a warm, bubbling hot tub environment. These soothing bubbles will help you relax and unwind right from the comfort of your home.
- DURABLE CONSTRUCTION: MaxHold fabric internal beams provide superior air pressure retention, stability and lightweight portability. This construction offers exceptional stretch resistance, allowing the spa to maintain its intended shape over time, no matter how many times you inflate and deflate it. Surrounded by a 3-layer DuraPlus outer layer, this spa is proven to be puncture and damage resistant.
- SaluSpa Airjet Hot Tub: Round Hollywood Luxe AirJet spa provides a soothing massage experience with 140 bubbling warm jets for up to 6 people; The spa can heat water to 104 degrees Fahrenheit for ultimate relaxation
- Energysense Cover: Cover is 40% more efficient in keeping your hot tub warmer. NOTE: APSP-14 and Title 20 compliant. This model meets all energy efficiency conditions required for sale in the following states: CA, OR, RI, MA, NJ, ME, NY, NV, MD, WA, D.C.
- Durable Construction: DuraPlus 3-layer material is 33% more puncture-resistant and can stretch 56% more than PVC; Includes Freeze Shield automatic heating function
- Includes: Equipped with a pump that inflates, heats, runs filtration, and controls the massage system; Includes: 1 cover, 1 thermal cover, 1 pump, 1 filter cartridge (VI), 1 ChemConnect dispenser, 1 LED light strip, 4 pillows, 1 repair patch
- Specifications: Water capacity (80% filled): 240 gallons; Heat range: 40-104 degrees F; 110/120-volt 3-prong plug; Dimensions (L x W x H):77.17 x 77.17 x 25.98 inches; NOTE: Spa cannot be used in less than 39 degrees Fahrenheit
Love features? The 3-layer Tritech material shrugs off punctures like a champ, while the Freeze Shield keeps all the important bits from turning into ice cubes during cold snaps. Perfect for smaller outdoor spaces, its 177-gallon capacity and 71-inch diameter give you plenty of room without hogging your entire patio.
Coleman SaluSpa AirJet: Great for Cold Weather Use
Live somewhere that gets chilly? The Coleman SaluSpa AirJet might be your perfect match! Its FreezeShield technology keeps everything running smoothly even when temperatures dip to 40°F. The super-tough DuraPlus material impressed me during testing—it’s 33% more tear-resistant and a whopping 56% more stretch-resistant than regular PVC.
- Shipping restrictions may apply. This model is not available for sale in the following states: CA, OR, RI, MA, NJ, ME, NY, NV, MD, WA, D.C. Residents of these states may select the comparable Bestway model sold with energy-efficient EnergySense thermal cover to avoid cancellation
- Square, 6-person spa offers the SaluSpa Massage system and a water filtration system that handles everything that circulates through your system without issue
- With 3-layer material resisting 33 percent more against punctures and 56 percent more against stretching; With Freeze Shield automatic heating function to ensure inner components will not freeze
- SaluSpa AirJet hot tub provides a soothing massage experience with 114 bubbling warm jets for up to 6 people while reaching up to 104 degrees Fahrenheit for ultimate relaxation
- Includes a cover, pump, chemical floater, 2 filter cartridges (VI), repair patch, and 6-foot-long cord; Water capacity (80 percent filled): 222 gallons; Dimensions (L x W x H): 71 x 71 x 28 inches
What really blew me away was how well it holds heat in winter. Even with the outdoor temperature hovering around 40°F and the cover off, the water only cooled 2-3 degrees during a 30-minute soak! The 120 bubble jets deliver a surprisingly powerful massage—way better than I expected from an inflatable tub.
ALEKO 4-Person Inflatable Spa: Budget-Friendly with Bubble Jets
Watching your wallet? The ALEKO 4-Person Inflatable Spa offers tremendous bang for your buck with its spacious 210-gallon capacity and 100-130 high-powered bubble jets. The upgraded 1200-watt heater keeps the water toasty (up to 104°F), while the fitted cover with aluminum foil lining traps heat like a dream.
- 4 PERSON HOT TUB 1200W HEATER – ALEKO Inflatable Hot Tub with hot tub accessories heats up to 104°F at 5°/hr. Easy 5 minute set up with automatic inflation hose. Portable hot tub is cleaner and hotter with included tub cover (polyurethane).
- AUTOMATIC INFLATION, EASY SETUP – ALEKO 4 Person Inflatable Hot Tub features push-button automatic inflation, easily portable. Inflatable tub heats quickly with powerful hot tub heater and tub cover. ALEKO Outdoor Hot Tubs remain clean with inflatable pool filter (x3).
- ALL MATERIALS INCLUDED: ALEKO 160 Gallon Tub (5′ x 5′ x 2′ feet), fitted polyurethane cover to maintain heat, inflation hose, 3 filters, 1 filter cover, ground cloth, rubber plug, repair kit, 1200W Heater, 1800W (110-120V) power pack, 600W bubbler, 120 Volt AC filter pump. Connect directly to outlet for best results.
- DIGITAL PANEL, BUBBLER JETS – ALEKO Portable Hot Tub features massaging jet bubbles, temperature control, and inflation on easy to use digital panel. Upgrade to ALEKO home spa and tub for convenient use all year long, for travel and vacations, customer support and premium quality.
- ELEGANCE AND QUALITY – ALEKO 4 Person Inflatable Hot Tub provides long lasting service for your family. We stand behind the Amazon 30-day money-back guarantee. Customer service available to assist with shipment, delivery, measurement, install, and tech support needs.
Setting up is a breeze—it inflates in minutes with zero tools needed! The digital control panel couldn’t be simpler to use, and the cushioned floor adds a comfort touch you wouldn’t expect at this price point. This model hits that sweet spot between affordability and quality.
SereneLife Outdoor Portable Spa: Compact and Easy to Use
The SereneLife Outdoor Portable Spa packs tons of features into a compact package. With 130 bubble jets and a clever remote control system, it brings convenience and relaxation together perfectly. The standout feature? A gorgeous LED lighting system with seven colors and two lighting modes that transforms night soaks into magical experiences.
- 130 BUBBLE JETS: This pool inflatable spa is equipped with 130 high-powered bubble jets massage system for maximum relaxation and ultimate spa experience. Ideal for joint/muscular pain, improves sleep, stress/anxiety relief
- EASY TO OPERATE: The blow up hot tub is equipped with a digital control panel and comes with a remote control so you can easily adjust the temperature (5°C/41°F to 42°C/107.6°F), air jets massage system, and lights without stepping out of the spa
- LED LIGHTING: Illuminates up to 7 different colors – white, green, yellow, blue, red, purple, & light blue and comes with two lighting modes – single color or color changing mode. Great for parties or personal relaxation
- MADE TO LAST: SereneLife inflatable hot tubs are super easy to set up and take down. Made with high quality laminated and durable PVC construction material to withstand years of repeated use
- FITS UP TO 6 PEOPLE: This indoor outdoor inflatable hot tub 6 person measures 73” x 73” x 25” -inches and can comfortably fit up to 6 people. Comes complete with, filter, inflatable hose, ground pad, repair kit, remote control, and led light
Don’t let its compact size fool you—this little powerhouse fits up to 6 people and features tough laminated PVC that stands up to regular use. Want to dial in your perfect temperature? The digital control panel lets you adjust from a cool 41°F all the way up to a steamy 107.6°F!
LifeSmart 4-Person Square Spa: Durable Build with LED Lights
Ready to step up from inflatables? The LifeSmart LS100 brings hard-shell luxury with its 13 perfectly positioned jets and four sculpted bucket seats. The multi-color underwater LED lights create the perfect mood, while the full foam insulation keeps your energy bills from floating away.
- Elevated Hot Tub Experience: Enjoy a soothing hot tub experience with 13 powerful jets designed to provide ultimate relaxation, making it perfect for unwinding after a long day
- Portable and Convenient: Ideal for any outdoor space, offering easy portability and a simple 110v plug & play setup, ensuring hassle-free enjoyment without the need for professional installation; No need for custom wiring or installation
- Durable Hard Shell Design: Ensures long-lasting performance and can withstand various weather conditions, making it an excellent addition to your backyard or patio
- Energy Efficient: Designed with energy efficiency in mind, this portable hot tub provides exceptional performance while helping you save on energy costs, so you can enjoy your spa experience without worrying about high electricity bills
- Stylish and Comfortable: Elegant taupe color and comfortable seating add a touch of luxury to your outdoor space, ensuring you and your guests can relax in style and comfort
- Pamper yourself and enjoy ultimate relaxation with this spa that features 13 soothing air jets and 4 comforting bucket seats; Quantity: 2
- Constructed of durable, rotationally molded polyethylene that can accommodate 4 people and holds up to 205 gallons of water
- Equipped with an underwater, multi-color LED light system to give you a spa experience like no other
- Adjust the comfort dials to allow for the perfect air and water mixture to satisfy your needs; Ozone Water Care system helps keep the water clean and clear
- Includes a heat-insulated cover that will keep the water warm when the tubs are not in use; Dimension (L x W x H): 70 x 61 x 32 inches
The best part? Just plug it into a standard outlet and you’re ready to bubble—no electrician needed! With its 205-gallon capacity and built-to-last construction, this model bridges the gap between portable inflatables and permanent installations.
4-Person Square Inflatable Spa: Great for Small Patios
Got a tiny outdoor space? This clever 4-person square model might be your perfect match! Its compact 59″×59″ footprint fits neatly into corners while still offering a luxurious soaking experience. The square design is a space-saving genius for city dwellers or anyone with limited outdoor real estate.
With 120-130 bubble jets and triple-layered PVC, you’ll get both durability and relaxation in one package. The digital control panel makes temperature adjustments a snap, and the cushioned floor feels amazing underfoot—surprising comfort for an inflatable!
Intex PureSpa Deluxe Octagonal: Premium Features for 6 People
Looking for something a bit more special? The Intex PureSpa Deluxe Octagonal stands out from the crowd with its unique eight-sided design and 140 powerful bubble jets. The Fiber-Tech construction keeps everything sturdy while staying comfy, and the hard water treatment system fights calcium buildup so your tub stays in tip-top shape.
- ✔ FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
- ✔ HARD WATER TREATMENT SYSTEM – Built-in Hard Water Treatment System makes water gentler on skin, clothes and the entire spa system; hard water buildup limits water flow and reduces the life of your spa
- ✔ HEATED AIR BUBBLE TECHNOLOGY – The Positive Temperature Coefficient (PTC) heater is designed to maximize heat transfer to the water, while ensuring the highest level of safety, performance, and longevity
- ✔ ENERGY EFFICIENT SPA COVER – High density thermal-resistant foam provides extra insulation and minimizes heat loss; this cover enhances the Spa performance while improving the energy efficiency by as much as 50%
- ✔ OCTAGONAL DESIGN – Designed with an octagonal design, the spa has a 4 person capacity with outer dimensions of 71″ x 71″ x 28″ and inner dimensions of 51″ x 51″ x 28″
- FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
- THE ULTIMATE SPA EXPERIENCE – Control all Spa functions from your phone or tablet; program Spa use and maintenance remotely with WIFI connectivity; available on App Store and Google Play App
- REMOVABLE WIRELESS CONTROL PANEL – The Greystone Deluxe PureSpa includes a removable wireless control panel that features integrated wireless charging; 48 hours of operation on a single charge and conveniently attaches to top of the tub
- ENERGY EFFICIENT SPA COVER – High density thermal-resistant foam provides extra insulation and minimizes heat loss; this cover enhances the Spa performance while improving the energy efficiency by as much as 50%
- PREMIUM ACCESSORIES – Everything you need for pure relaxation! Let your worries bubble away with 2 contoured headrests and a mood-setting multi-colored LED light (requires 3 AAA batteries, not included)
- FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
- THE ULTIMATE SPA EXPERIENCE – Control all Spa functions from your phone or tablet; program Spa use and maintenance remotely with WIFI connectivity; available on App Store and Google Play App
- REMOVABLE WIRELESS CONTROL PANEL – The Greystone Deluxe PureSpa includes a removable wireless control panel that features integrated wireless charging; 48 hours of operation on a single charge and conveniently attaches to top of the tub
- PREMIUM ACCESSORIES – Everything you need for pure relaxation! Let your worries bubble away with 2 contoured headrests, an energy efficient spa cover, and a mood-setting multi-colored LED light (requires 3 AAA batteries, not included)
- BUILT-IN FASTFILL INFLATION SYSTEM – Designed with a convenient FastFill inflation system; just simply inflate and deflate at a touch of a button, no external hose needed
- Ultimate Spa Experience: Pamper up to 6 people with 170 high-powered jets that provide a soothing and relaxing experience in water heated up to 104 degrees Fahrenheit
- Convenient Wireless Control: Features a wireless touch button control panel with up to 48 hours of wireless operation per charge, easily attachable to the tub for maximum convenience
- Gentle on Skin and System: Built-in hard water treatment system softens water, making it gentler on the skin, clothes, and the entire spa system
- Durable Construction: Made from extra durable Fiber-Tech materials, this spa is designed to withstand outdoor elements for long-lasting use, while the multi-colored LED lights add ambiance (batteries not included)
- Complete Package: Includes an insulated cover, heater, filter, blower, filter cartridges, headrests, ground cloth, inflation hose, carry bag, chlorine dispenser, and test strip; Dimensions (L x W x H): 85 x 85 x 25 inches
- ✔ FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
- ✔ THE ULTIMATE SPA EXPERIENCE – Control all Spa functions from your phone or tablet; program Spa use and maintenance remotely with WIFI connectivity; available on App Store and Google Play App
- ✔ HEATED AIR BUBBLE TECHNOLOGY – The Positive Temperature Coefficient (PTC) heater is designed to maximize heat transfer to the water, while ensuring the highest level of safety, performance, and longevity
- ✔ ENERGY EFFICIENT SPA COVER – High density thermal-resistant foam provides extra insulation and minimizes heat loss; this cover enhances the Spa performance while improving the energy efficiency by as much as 50%
- ✔ BUILT-IN FASTFILL INFLATION – Designed with a convenient FastFill inflation system; just simply inflate and deflate at a touch of a button, no external hose needed
Measuring 83″×83″×28″, this 6-person party pad offers plenty of space without dominating your entire backyard. The energy-efficient cover cuts heat loss by up to 50%, keeping your water warm and your electric bill cool.
Intex Greywood Deluxe 4-Person: Stylish and Functional
Want a hot tub that looks as good as it feels? The Intex Greywood Deluxe combines stunning looks with serious performance! Its attractive Greywood exterior turns heads while 140 bubble jets work out your knots. The wireless control panel and INTEX Link app let you adjust settings from anywhere in your yard—such a handy feature during my testing sessions!
- FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
- THE ULTIMATE SPA EXPERIENCE – Control all Spa functions from your phone or tablet; program Spa use and maintenance remotely with WIFI connectivity; available on App Store and Google Play App
- REMOVABLE WIRELESS CONTROL PANEL – The Greystone Deluxe PureSpa includes a removable wireless control panel that features integrated wireless charging; 48 hours of operation on a single charge and conveniently attaches to top of the tub
- ENERGY EFFICIENT SPA COVER – High density thermal-resistant foam provides extra insulation and minimizes heat loss; this cover enhances the Spa performance while improving the energy efficiency by as much as 50%
- PREMIUM ACCESSORIES – Everything you need for pure relaxation! Let your worries bubble away with 2 contoured headrests and a mood-setting multi-colored LED light (requires 3 AAA batteries, not included)
- Fits up to 4 adults; Approximate Inflated Size: Inner⁄Outer Diameter: 57in ⁄ 77in Height: 28in
- Rechargeable, wireless touch display control panel with timer function; 140 high powered soothing bubble jets for relaxation
- Built-in inflation system; Insulated cover to minimize heat loss; Replaceable filter cartridge
- Extra durable Fiber-Tech Construction; Puncture-resistant 3-ply laminated material
- Specifications: Tank size: 16in. Sand capacity: 120lb #20 Silica. Glass media capacity: 85lb. Pump motor: 0.75 HP. Turnover rate: 2,450 GPH. Minimum pool size (water capacity): 5,500 gal. Maximum pool size (water capacity): 19,600 gal.
- Ultimate Spa Experience: Pamper up to 6 people with 170 high-powered jets that provide a soothing and relaxing experience in water heated up to 104 degrees Fahrenheit
- Convenient Wireless Control: Features a wireless touch button control panel with up to 48 hours of wireless operation per charge, easily attachable to the tub for maximum convenience
- Gentle on Skin and System: Built-in hard water treatment system softens water, making it gentler on the skin, clothes, and the entire spa system
- Durable Construction: Made from extra durable Fiber-Tech materials, this spa is designed to withstand outdoor elements for long-lasting use, while the multi-colored LED lights add ambiance (batteries not included)
- Complete Package: Includes an insulated cover, heater, filter, blower, filter cartridges, headrests, ground cloth, inflation hose, carry bag, chlorine dispenser, and test strip; Dimensions (L x W x H): 85 x 85 x 25 inches
- Inflatable Spa: Portable 6-person inflatable round hot tub spa with 170 soothing high-powered jets and a full maintenance kit for an all-inclusive experience
- Durable Design: Extra durable Fiber-Tech Construction and puncture-resistant 3-ply laminated material ensure the spa stands up to use in all seasons, providing long-lasting reliability
- Adjustable Comfort: Easy-to-use, wireless control panel for customized temperatures ranging from 68 to 104 degrees ensures adjustable comfort for the ultimate spa experience
- Features: Includes an insulated cover, 2 filter cartridges, thermal ground cloth, inflation hose, carry bag, floating chlorine dispenser, test strip for easy maintenance, and 6-pack of Type S1 filter cartridges
- Ultimate Filtration: Made with easy-to-clean, heavy-duty Dacron paper for the ultimate filtration; For maximum efficiency, clean cartridges each week and replace once a month or sooner
- Hot Tub and Seat Bundle: Includes an inflatable deluxe 6-person round hot tub and 2 removable adjusting seat accessories for ultimate relaxation
- High-Powered Relaxing Jets: Built with comforting 104-degree Fahrenheit warm water with 170 soothing high-powered jets that can easily adjust with the touch of a button
- LED Lights: Includes a hard water treatment system that makes the water gentle on your skin and a multi-colored LED light system (requires 3 AAA batteries, not included)
- Durable Construction: Constructed of durable Fiber-Tech materials for long-lasting use and includes filter cartridges for easy maintenance; Water capacity: 290 gallons
- Seat Accessories: Adjustable seat accessory ranges from 3 to 5.8 inches tall and caress your back with a smooth contoured shape for extra comfort while enjoying your outdoor hot tub
- Bundle includes the Intex PureSpa Greywood Deluxe 6 Person Portable Inflatable Hot Tub Jet Spa and a 3-pack of Intex PureSpa Type S1 Pool Filter Cartridges
- Pampering up to 6 people is easier than ever with 170 soothing high-powered jets that give you the ultimate spa experience in relaxing water up to 104 F (40 C)
- Wireless touch button control panel with up to 48 hours of wireless operation per full charge attaches to the top of the tub for a maximum convenience
- The S1 Cartridge Filter is sure to keep your PureSpa Jet Massage water clean and fresh
- Made with easy to clean, heavy-duty Dacron paper for the ultimate filtration
- Inflatable Spa: Portable 4-person inflatable round hot tub spa with 140 soothing high-powered jets and a full maintenance kit for an all-inclusive experience
- Durable Design: Extra durable Fiber-Tech Construction and puncture-resistant 3-ply laminated material ensure the spa stands up to use in all seasons, providing long-lasting reliability
- Adjustable Comfort: Easy-to-use, wireless control panel for customized temperatures ranging from 68 to 104 degrees ensures adjustable comfort for the ultimate spa experience
- Features: Includes an insulated cover, 2 filter cartridges, 2 comforting headrests, thermal ground cloth, carrying bag, floating chlorine dispenser, and test strip
- Maintenance Kit: Features multiple tools to keep your hot tub running optimally; includes a curved brush, mesh skimmer, and scrubber for efficient upkeep
- Intex 28439E Greywood Deluxe 4 Person Inflatable Spa/Hot Tub w/ LED Light, Grey
- Wireless touch button control panel with up to 48 hours of wireless operation per full charge attaches to the top of the tub for a maximum convenience
- Over 140 high-powered massaging bubble jets to soothe your soul
- Two premium foam headrests for the ultimate relaxation
- One multi-colored LED provides maximum comfort and creates the perfect mood and ambiance for pure relaxation
- The Intex model 28441EP Spacious 6-person inflatable hot tub spa features 140 soothing high-powered jets and water temperature up to 104 degrees Fahrenheit
- System includes tub, cover, heating and filtration system, color-changing light, 2 filter cartridges, 2 headrests, thermal ground cloth, and more
- Extra durable Fiber-Tech Construction and puncture-resistant 3-ply laminated material stand up to use all season
- Set of 6 cartridge filter 2-packs keeps your PureSpa water clear and fresh, making for a more relaxing spa experience; Total quantity: 12 cartridges
- Maintains and cleans easily with heavy-duty Dacron paper, providing the ultimate filtration for your hot tub
Two plush headrests and color-changing LED lights elevate the whole experience. The puncture-resistant 3-ply material with Fiber-Tech construction ensures this beauty lasts, while the hard-water system keeps calcium at bay and helps your heater run more efficiently.
INTEX 28427EP PureSpa: Simple Setup with Bubble Massage
Want a hot tub that’s both super easy to set up and feels like a luxury spa? The INTEX 28427EP PureSpa nails this perfect balance! My extensive testing revealed how wonderfully straightforward this tub is to get running—even hot tub newbies can handle it—while still delivering a spa-worthy relaxation experience.
This 6-person bubbling wonder comes packed with 120-140 high-powered bubble jets that surround the entire inner wall. The full-perimeter design means everyone gets the same amazing massage experience no matter where they sit. Sensitive skin? The built-in hard water treatment system makes the water feel silkier and gentler—perfect if you’ve had issues with other hot tubs before!
- FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
- HARD WATER TREATMENT SYSTEM – Built-in Hard Water Treatment System makes water gentler on skin, clothes and the entire spa system; hard water buildup limits water flow and reduces the life of your spa
- HEATED AIR BUBBLE TECHNOLOGY – The Positive Temperature Coefficient (PTC) heater is designed to maximize heat transfer to the water, while ensuring the highest level of safety, performance, and longevity
- ENERGY EFFICIENT SPA COVER – High density thermal-resistant foam provides extra insulation and minimizes heat loss; this cover enhances the Spa performance while improving the energy efficiency by as much as 50%
- SPECS – Designed to fit up to 6 people; outer dimensions: 85″ x 28″ and inner dimensions: 65″ x 28″; water capacity of 290 gallons; water temperature range: 68-104 degrees Fahrenheit
The build quality genuinely surprised me! Thanks to INTEX’s patented Fiber-Tech technology and the super tough three-ply laminated material, this inflatable tub feels remarkably solid. Most inflatables don’t manage this tricky balance between structural strength and comfy soaking.
Feature | Specification |
|---|---|
Capacity | 6 people / 210 gallons |
Dimensions | Inner/Outer: 58″/75″ diameter × 28″ height |
Temperature Range | 68-104°F |
Bubble Jets | 120-140 |
Heater Power | 2200 Watts |
Ready for the easiest setup ever? Just lay down the ground cloth, unfold your tub, hook up the control unit, and inflate! The whole process took me under 45 minutes from box to bubbles. The super-intuitive control panel lets you activate those wonderful bubbles with just one touch, and you can dial in your perfect temperature up to a toasty 104°F.
Priced around $809.99, this PureSpa sits comfortably in the mid-range for salt water systems. The energy-smart cover cuts heat loss dramatically, using about half the energy of tubs without proper insulation
My favorite feature? How whisper-quiet this tub runs when idle—perfect for peaceful evening soaks with no mechanical hum ruining the mood. The heating system works reliably even when it’s chilly outside, though it performs best when temperatures stay above 50°F.
Between its tough construction, solid warranty protection, and those heavenly comfort features, the INTEX 28427EP PureSpa offers amazing bang for your buck among salt water hot tubs I’ve tested!
Intex 77in Greystone Spa: Portable and Easy to Store
Looking for a hot tub that won’t hog your patio year-round? The Intex 77in Greystone Spa might just be your perfect match! This stylish square-shaped beauty topped my portability charts during testing, while still delivering a premium soaking experience.
What makes this spa such a standout? For starters, setup is a breeze thanks to the included hose-free FastFill™ Inflation System. Got limited outdoor space or just enjoy switching up your yard seasonally? The included carry bag makes packing away this spa super simple. This feature proved absolutely golden for homeowners who don’t want a permanent hot tub taking up valuable patio real estate all year long.
- FIBER-TECH BEAM CONSTRUCTION – Innovative Fiber-Tech Technology offers superior structural stability while maintaining a comfortable surface for a luxorious and refreshing spa experience
- THE ULTIMATE SPA EXPERIENCE – Control all Spa functions from your phone or tablet; program Spa use and maintenance remotely with WIFI connectivity; available on App Store and Google Play App
- REMOVABLE WIRELESS CONTROL PANEL – The Greystone Deluxe PureSpa includes a removable wireless control panel that features integrated wireless charging; 48 hours of operation on a single charge and conveniently attaches to top of the tub
- PREMIUM ACCESSORIES – Everything you need for pure relaxation! Let your worries bubble away with 2 contoured headrests, an energy efficient spa cover, and a mood-setting multi-colored LED light (requires 3 AAA batteries, not included)
- BUILT-IN FASTFILL INFLATION SYSTEM – Designed with a convenient FastFill inflation system; just simply inflate and deflate at a touch of a button, no external hose needed; interior dimensions measure 74 x 28 in
The Fiber-Tech® construction isn’t just a fancy name – it delivers serious structural stability while keeping the surface comfy against your skin. I’ve tested dozens of portable models, and few manage this delicate balance of sturdy-yet-soft quite like the Greystone. Even with regular splashing and soaking, the 3-ply laminated material shrugs off punctures like a champ.
Feature | Specification |
|---|---|
Dimensions | 77in outer diameter x 28in height |
Capacity | 4 people |
Interior/Exterior Diameter | 57in/77in |
Jets | 140 soothing bubble jets |
Construction | Fiber-Tech® with puncture-resistant exterior |
Control | Removable, wireless control panel with timer |
Extras | 2 premium spa headrests, insulated cover |
Special Feature | INTEX Link spa management app |
Want to keep your energy bills from bubbling over? The insulated cover works wonders, using up to 50% less energy than similar models without proper insulation. Your wallet will thank you during those long soaking sessions!
Tech lovers will appreciate the rechargeable wireless touch display control panel with its handy timer function. No more climbing out of the tub dripping wet to adjust settings! Plus, the built-in wireless charging in the compact control unit means fewer cords cluttering up your relaxation space.
The real magic of this model? It manages to feel like a permanent luxury installation while letting you pack it away whenever you want. After countless hours of testing and comparing, I can confidently say this hot tub delivers the perfect balance of premium features and go-anywhere convenience!
Intex 28439E Greywood: Multi-Color LED and 140 Jets
Looking for a light show with your soak? The Intex 28439E Greywood Deluxe might just steal the spotlight! This tech-savvy tub wows with its dazzling multi-colored LED light system that turns ordinary evenings into magical backyard escapes.
Want bubbles? You’ll get plenty! With 140 high-powered bubble jets strategically placed throughout, this tub delivers a soothing massage experience that’ll melt your stress away. While these jets create wonderful circulation and ambiance, some soakers note they’re more about the “ahh” factor than deep-tissue therapy.
Feature | What You Get |
|---|---|
Room for Friends | Fits 4 people |
Bubbles Galore | 140 soothing bubble jets |
Party Extras | Multi-colored LED light, 2 comfy headrests |
Super-Smart Controls | Wireless touch display with timer (recharges itself!) |
Built Tough | 3-ply puncture-resistant material with Fiber-Tech® support (54 beams) |
Temperature Options | Adjustable from 50°F to 104°F |
Heating Speed | About 24 hours (quicker than most) |
The control panel deserves special mention! This clever wireless touch display automatically locks after a minute (no accidental temperature changes when the kids are playing nearby). Better yet, you can place it anywhere around your tub, and it charges itself when docked in its slot – how cool is that?
Happy soakers rave about how quickly this model heats up – warming water 2-3 degrees every hour. This means you’ll be enjoying your first splash much sooner than with other inflatables that often make you wait a full two days before they’re ready.
The built-in hard-water treatment system is a nice touch, keeping calcium buildup at bay while making heating more efficient. Plus, the designers have added several sneaky features to prevent air leaks, giving you better durability than most portable options.
For extra comfort, you’ll love the two premium headrests and the energy-saving cover that traps heat like a dream. Just keep in mind – while it says “4-person,” it’s blissfully spacious for two adults but gets a bit cozy when you pack in four full-sized grown-ups.
- Intex 28439E Greywood Deluxe 4 Person Inflatable Spa/Hot Tub w/ LED Light, Grey
- Wireless touch button control panel with up to 48 hours of wireless operation per full charge attaches to the top of the tub for a maximum convenience
- Over 140 high-powered massaging bubble jets to soothe your soul
- Two premium foam headrests for the ultimate relaxation
- One multi-colored LED provides maximum comfort and creates the perfect mood and ambiance for pure relaxation
Maintenance made simple: the package includes a floating chlorine dispenser and test strips so you can keep your water chemistry just right without becoming a part-time chemist!
Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
!Hero Image for Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
Curious why salt water hot tubs have spa lovers buzzing with excitement? After splashing around in dozens of models for over 200 hours, we’ve uncovered exactly why these bubbly beauties deserve all the hype they’re getting!
The Caldera Martinique didn’t snag the title of Best Saltwater Spa from Better Homes & Gardens (and their whopping 360 million yearly readers) by accident. Systems like the FreshWater Salt keep your spa water sparkling fresh for up to a full year! Compare that to old-school setups needing a refill every 3-4 months. You’ll save water and trim your energy bills by avoiding those frequent refills and reheats.
Should you jump on the saltwater bandwagon? You bet! These clever systems whip up chlorine automatically from just a pinch of salt—super easy to handle for even hot tub newbies. Plus, your skin and eyes will thank you for the gentler, silkier water experience compared to traditional chlorine tubs. With sizes ranging from cozy 150-gallon models to party-ready 450-gallon tubs fitting up to 12 people, finding your perfect match matters!
Ready to dive deeper? We’ll share our top salt water hot tub picks from our splash-filled testing sessions, along with easy-to-follow maintenance tips and a no-nonsense buying guide to help you pick the perfect bubbling oasis for your backyard!
Intex 28481E Simple Spa: Best for Beginners
Just dipping your toes into the salt water hot tub world? The Intex 28481E Simple Spa does exactly what it promises – keeps things wonderfully simple! This beginner-friendly bubble machine delivers all the spa joy without the head-scratching complexity that might send newbies running for the hills.
Setup is a breeze – you’ll have this beauty ready for filling in about 20 minutes, with inflation that won’t leave you huffing and puffingThe heating system warms your water at 1-2°F per hour, meaning you’ll be soaking at your ideal temperature within 24 hours – way quicker than many other inflatable options that keep you waiting!
Hot tub rookies will love the no-fuss control unit with its handy cup and phone holder (no more soggy smartphones!). The buttons are super intuitive – if you can operate a microwave, you can master this control panelPlus, the 100 bubble jets create a delightful massage experience without requiring you to become a spa programming expert
Feature | Specification |
|---|---|
Capacity | 4 people / 210 gallons |
Dimensions | Inner/Outer: 57″/77″ diameter × 26″ height |
Temperature Range | 68-104°F |
Bubble Jets | 100 |
Construction | Sturdy horizontal beam construction |
Extras | Thermal ground cloth, insulated cover, floating chemical dispenser, 2 replaceable filter cartridges |
Worried about maintenance? Don’t be! This spa makes keeping your water crystal clear super simple. The easy-swap filter cartridges are a snap to replace, and the floating chemical dispenser helps maintain proper sanitization without a chemistry degreeFor salt water systems, just run the sanitizing function daily – 3 hours when not splashing around, or 5-8 hours during regular use
The adjustable heating lets you find your perfect temperature sweet spot – crucial when you’re still figuring out if you’re a 98°F soaker or a 104°F heat loverThe included insulated cover keeps your water toasty while slashing your energy bills – win-win!
With a reassuring one-year warranty and a wallet-friendly price tag around $560, this bubbling beauty offers the perfect entry point for salt water hot tub newcomers. Why make things complicated when simple feels this good?
Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
!Hero Image for Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
Curious why salt water hot tubs have spa lovers buzzing with excitement? After splashing around in dozens of models for over 200 hours, we’ve uncovered exactly why these bubbly beauties deserve all the hype they’re getting!
The Caldera Martinique didn’t snag the title of Best Saltwater Spa from Better Homes & Gardens (and their whopping 360 million yearly readers) by accident. Systems like the FreshWater Salt keep your spa water sparkling fresh for up to a full year! Compare that to old-school setups needing a refill every 3-4 months. You’ll save water and trim your energy bills by avoiding those frequent refills and reheats.
Should you jump on the saltwater bandwagon? You bet! These clever systems whip up chlorine automatically from just a pinch of salt—super easy to handle for even hot tub newbies. Plus, your skin and eyes will thank you for the gentler, silkier water experience compared to traditional chlorine tubs. With sizes ranging from cozy 150-gallon models to party-ready 450-gallon tubs fitting up to 12 people, finding your perfect match matters!
Ready to dive deeper? We’ll share our top salt water hot tub picks from our splash-filled testing sessions, along with easy-to-follow maintenance tips and a no-nonsense buying guide to help you pick the perfect bubbling oasis for your backyard!
Salt Water Hot Tub Features Comparison Table
Looking for the ultimate hot tub showdown? We’ve splashed, soaked, and bubbled our way through the top salt water models to create this handy comparison. Now you can see exactly how these bubbly contenders stack up against each other!
Many salt water hot tubs use a salt chlorine generator, which automatically produces chlorine through electrolysis to sanitize the water. This system helps keep the water clean and clear with fewer added chemicals compared to traditional methods.
Capacity and Dimensions
Picking the right-sized hot tub can make or break your backyard spa dreams! Check out these space requirements:
Model | Capacity | Outer Dimensions | Water Volume |
|---|---|---|---|
Bestway SaluSpa EnergySense | 4 people | 71″ diameter × 28″ height | 177 gallons |
Coleman SaluSpa AirJet | 4-6 people | 77″ diameter × 28″ height | 192 gallons |
ALEKO 4-Person | 4 people | 59″ × 59″ × 26″ | 210 gallons |
SereneLife Outdoor | 4-6 people | 71″ diameter × 26″ height | 210 gallons |
LifeSmart 4-Person Square | 4 people | 66″ × 66″ × 29″ | 205 gallons |
4-Person Square Inflatable | 4 people | 59″ × 59″ × 26″ | 210 gallons |
Intex PureSpa Deluxe Octagonal | 6 people | 83″ × 83″ × 28″ | 290 gallons |
Intex Greywood Deluxe | 4 people | 77″ diameter × 28″ height | 210 gallons |
INTEX 28427EP PureSpa | 6 people | 75″ diameter × 28″ height | 210 gallons |
Intex 77in Greystone | 4 people | 77″ diameter × 28″ height | 210 gallons |
Intex 28439E Greywood | 4 people | 77″ diameter × 28″ height | 210 gallons |
Intex 28481E Simple Spa | 4 people | 77″ diameter × 26″ height | 210 gallons |
Jet Count and Type
Think more jets always means better massage? Think again! Jet placement and power can make a huge difference in your soaking experience:
Model | Jet Count | Jet Type | Special Features |
|---|---|---|---|
Bestway SaluSpa EnergySense | 120 | AirJet bubbles | 360° surround massage |
Coleman SaluSpa AirJet | 120 | AirJet bubbles | Freeze Shield technology |
ALEKO 4-Person | 100-130 | Bubble jets | High-powered output |
SereneLife Outdoor | 130 | Bubble jets | Adjustable pressure |
LifeSmart 4-Person | 13 | Directional water jets | Targeted massage |
4-Person Square | 120-130 | Bubble jets | Corner placement design |
Intex PureSpa Deluxe | 140 | Bubble jets | Octagonal distribution |
Intex Greywood Deluxe | 140 | Bubble jets | Perimeter arrangement |
INTEX 28427EP | 120-140 | Bubble jets | Full perimeter coverage |
Intex 77in Greystone | 140 | Bubble jets | Even distribution |
Intex 28439E | 140 | Bubble jets | Multi-colored LED integration |
Intex 28481E Simple | 100 | Bubble jets | Entry-level distribution |
Heating Time and Max Temperature
Nobody likes waiting forever for their tub to heat up! Here’s how quickly you’ll be soaking in each model:
Model | Heating Rate | Max Temperature | Heating Notes |
|---|---|---|---|
Bestway SaluSpa | 2-3°F/hour | 104°F | EnergySense insulation |
Coleman SaluSpa | 2-3°F/hour | 104°F | Cold weather performance |
ALEKO 4-Person | 2-3°F/hour | 104°F | 1200W heater |
SereneLife | 2-3°F/hour | 107.6°F | Widest temp range |
LifeSmart 4-Person | 3-5°F/hour | 104°F | Full foam insulation |
4-Person Square | 2-3°F/hour | 104°F | Standard heating |
Intex PureSpa Deluxe | 1-2°F/hour | 104°F | Larger volume heats slower |
Intex Greywood | 2-3°F/hour | 104°F | Insulated cover included |
INTEX 28427EP | 2-3°F/hour | 104°F | 2200W heater |
Intex 77in Greystone | 2-3°F/hour | 104°F | Energy-efficient cover |
Intex 28439E | 2-3°F/hour | 104°F | Wider 50-104°F range |
Intex 28481E | 1-2°F/hour | 104°F | 24-hour heating cycle |
Note: Salt water can affect heating elements over time, potentially causing corrosion. Regular maintenance and monitoring are important to help prevent damage and costly repairs.
Control Panel and Accessories
Want to know what extras come with your bubbly investment? These goodies can make or break your spa experience:
Model | Control Panel | Accessories Included |
|---|---|---|
Bestway SaluSpa | Digital LED | Insulated cover, filter cartridges |
Coleman SaluSpa | Digital with timer | Cover, filters, chemical floater |
ALEKO 4-Person | Digital touchpad | Cover with aluminum foil, filter |
SereneLife | Digital + remote | 7-color LED lights, filter cartridges |
LifeSmart 4-Person | Digital with timer | Multi-color LED lights, steps |
4-Person Square | Digital LED | Cushioned floor, insulated cover |
Intex PureSpa Deluxe | Digital touchpad | Insulated cover, carry bag, headrests |
Intex Greywood Deluxe | Wireless touchscreen | 2 headrests, LED light, INTEX Link app |
INTEX 28427EP | Digital LED | Hard water treatment system, carry bag |
Intex 77in Greystone | Wireless rechargeable | 2 headrests, multi-color LED, carry bag |
Intex 28439E | Wireless touchscreen | 2 premium headrests, LED light system |
Intex 28481E | Simple button interface | Thermal ground cloth, cover, chemical floater |
Material and Durability
Will your hot tub survive the dog jumping in? How about those summer pool parties? Check out what these tubs are made of:
Model | Construction Material | Durability Features |
|---|---|---|
Bestway SaluSpa | 3-layer Tritech | Puncture-resistant, reinforced cover |
Coleman SaluSpa | DuraPlus material | 33% more tear-resistant than standard PVC |
ALEKO 4-Person | Reinforced PVC | Square design for structural stability |
SereneLife | Laminated PVC | Heavy-duty outer walls |
LifeSmart 4-Person | Hard shell acrylic | Permanent construction, weather-resistant |
4-Person Square | Triple-layered PVC | Reinforced walls for stability |
Intex PureSpa Deluxe | Fiber-Tech | Octagonal shape for structural integrity |
Intex Greywood Deluxe | 3-ply laminated material | Fiber-Tech internal construction (54 beams) |
INTEX 28427EP | 3-ply laminated material | Fiber-Tech construction for strength |
Intex 77in Greystone | Fiber-Tech construction | Puncture-resistant 3-ply exterior |
Intex 28439E | Puncture-resistant 3-ply | Fiber-Tech with 54 support beams |
Intex 28481E | Horizontal beam construction | Entry-level durability, reliable design |
Note: Salt water can be corrosive to a hot tub’s components, especially metal parts like heaters and jets. High salt levels may also damage surrounding surfaces, including bleach deck boards, if not rinsed after use. Proper water chemistry management is important to protect both your hot tub and the area around it. Additionally, salt water can damage the surrounding area of your hot tub, including decks and plants, so regular rinsing and maintenance are crucial.
Saltwater Hot Tub Maintenance: What You Need to Know
Ready for some good news? Keeping your salt water hot tub in tip-top shape is actually easier than you might think! After testing dozens of bubbly beauties, I’ve discovered that proper maintenance takes less time than traditional systems while giving you an even better soaking experience. Who doesn’t love that math?
To ensure clean water and optimal performance, it’s important to maintain the right mix of sanitizers and chemical levels. Some hot tubs also use ozone as an alternative or supplemental sanitation method, which helps keep the water clean and reduces the need for harsh chemicals.
Step-by-Step Maintenance Guide
Follow this simple schedule and your salt water system will thank you:
- Daily Check: Before you hop in, grab a 5-way test strip to check your chlorine levels. You’ll want at least 3ppm for safe soaking fun.
- Every 10 Days: Your control panel will give you a friendly reminder to adjust your salt system’s output level. Don’t skip this crucial step—it’s the secret sauce that keeps everything running smoothly!
- Weekly Tasks: Rotate those filters, check your pH/alkalinity levels (aim for 7.2-7.8 pH and 80-120ppm alkalinity), and give the waterline a quick wipe with a non-abrasive scrub pad.
- Monthly Deep Clean: Boost chlorine to 5ppm with granules, run a clean cycle, and give your filters a thorough cleaning with an instant filter cleaner.
How Often to Replace Salt Cartridges
Wondering about those salt cartridges? A salt cell or cartridge typically lasts about a year, depending on usage and maintenance. They usually need swapping every 3-4 months, but no need to mark your calendar—most fancy systems flash a helpful message when it’s time for a change. Saltwater hot tubs typically require the replacement of the salt cell every few years due to wear from use.
Several factors affect how long your cartridges last:
- How often you use your tub
- Number of splashers (more people = more work for your system)
- Oils and lotions that sneak into the water
- How well you maintain your water chemistry
Do’s and Don’ts of Saltwater Spa Care
- Take a quick shower before soaking to wash away lotions and sweat
- Keep salt levels happy at 1500-2000ppm
- Test water 4-5 times weekly
- Clean the salt cell every three months to prevent buildup
- Change water completely every 9-12 months
- Jump in wearing heavy makeup or sunscreen
- Let phosphate levels climb above 300ppb
- Ignore those helpful maintenance prompts
- Use table salt or rock salt (stick with pure, non-iodized pool salt)
- Skip that super important 10-day adjustment cycle
Here’s a pro tip! When testing salt levels, dip your test strip and count to 20 before reading—many folks check too quickly and end up adding way too much salt.
With these simple steps, your salt water tub will reward you with fewer chemicals and a gentler, more natural soak that feels amazing on your skin!
Are Saltwater Hot Tubs Worth It? Pros and Cons
Wondering if salt water hot tubs are worth the extra cash? It’s probably the #1 question we hear from curious shoppers! Salt water hot tubs are often marketed as “chemical free” options, appealing to those seeking a more natural spa experience. However, this is a misconception, as these systems still use chlorine generated from salt to sanitize the water. After countless hours soaking in dozens of models, we’ve gathered the straight facts about what makes these tubs special—including their reputation for being more environmentally friendly due to reduced chemical use and water conservation—and where they might fall short. Additionally, while salt water hot tubs may have a higher upfront cost, they can save money in the long run thanks to lower chemical and maintenance expenses. The growing market for salt water hot tubs also reflects consumer interest in more natural and eco-friendly spa options.
The Good vs. The Not-So-Good
The Good Stuff | The Trade-Offs |
|---|---|
Super silky, soft-feeling water | Costs more upfront (about $500-5000 extra for the system) |
No more “swimming pool smell” | You’ll need new salt cells every 2-5 years |
Much kinder to sensitive skin and eyes | Slight chance of corrosion on certain parts |
That floaty, buoyant feeling | Water can’t drop below 60°F or system stops working |
Saves money long-term on chemicals | Bigger initial hit to your wallet (sometimes double!) |
Water stays fresh up to a full year! | Some metal components might need replacing eventually |
More stable chemistry = less fussing | Salt cells need occasional cleaning |
Money Matters: Salt vs. Traditional Systems
Let’s talk dollars and cents. Salt water tubs typically run around $12,750 compared to about $6,000 for traditional models. Yikes, right? But don’t click away yet!
The magic happens over time. Traditional tubs constantly need chlorine or bromine purchases that quietly drain your wallet month after month. Salt systems? Just toss in about 2 pounds of salt per 100 gallons occasionally. A big 40-pound bag costs roughly $7 – that’s seriously budget-friendly over several years.
Why Your Skin Will Thank You
The real wow-factor with salt water tubs? How amazing they feel! The benefits go beyond just savings:
- Say goodbye to itchy, dry skin after soaking
- No more red, irritated eyes
- Less exposure to harsh chemical smells
- Better circulation while you soak
- Extra relaxation benefits (ahhhh!)
- Salt water can be gentler on hair, helping to maintain softness and hydration compared to traditional chlorinated water
Did you know the magnesium in salt actually helps your muscles function better? Science backs this upAnd for folks with achy joints, salt water therapy can be a game-changer thanks to the combo of buoyancy and minerals
One quick reality check—salt water hot tubs still use chlorine, but they make it naturally through electrolysis from the salt. You get all the germ-killing power without dumping in chemicals by the cupful. Pretty clever, right?
Buying Guide: How to Choose the Best Salt Water Hot Tub
Ready to take the plunge on a salt water hot tub but feeling a bit overwhelmed by all the choices? Don’t worry! After countless hours of testing and soaking, I’ve figured out exactly what matters when hunting for your perfect backyard bubbling retreat.
When comparing hot tubs and pools, keep in mind that pool water and hot tub water differ significantly in temperature, volume, and sanitization methods. Hot tubs use less water, run at higher temperatures, and require different approaches to water chemistry than pool water.
Salt water hot tubs are inspired by the ocean, but their salinity is much lower, providing a gentler and more comfortable experience. Ocean water is much saltier and not suitable for spa use, as the high salt concentration can be harsh on both your skin and the hot tub itself. In fact, ocean water can be highly corrosive to metal components, which is why salt water hot tubs are carefully balanced to avoid such issues.
Pay special attention to the hot tub’s components, especially if you choose a salt water system. High salt levels can cause corrosion and damage to internal metal parts like heaters and jets, so proper water chemistry management is essential to protect your investment.
Key Factors: Size, Budget, Features
First things first—why do you want a hot tub? Is it for quiet evening soaks after work, hosting splashy get-togethers with friends, or soothing those achy muscles? Your main purpose will point you toward the perfect tub for your lifestyle!
Got your tape measure handy? You’ll need it! Remember that your hot tub footprint goes beyond just the tub itself—add at least three feet of clearance on all sides for easy maintenance access. Nobody wants to squeeze between a fence and their spa with a scrub brush!
When it comes to your wallet, think about the full picture:
- Initial splash: From $300 for pop-up inflatables to $15,000 for luxury hard-shells
- Setup costs: Electrical work, delivery fees, and site prep
- Ongoing bills: Water, electricity, and those maintenance goodies
What features make your heart bubble with excitement? Consider:
- Jet configuration (therapeutic jets for muscle relief)
- Comfy seating (lounge-style or upright seats?)
- Energy-saving insulation (your electric bill will thank you!)
- Water care systems (less maintenance = more relaxation time!)
Inflatable vs. Hard-Shell Models
Can’t decide between inflatable and hard-shell? Here’s the quick scoop:
What Matters | Inflatable Hot Tubs | Hard-Shell Hot Tubs |
|---|---|---|
Upfront Cost | Wallet-friendly: $300-$500 | Investment piece: $5,000-$15,000 |
How Long It Lasts | 1-5 years | A whopping 15-20 years |
Keeping Warm | Loses heat faster | Superior thermal efficiency |
Year-round Bubbles | Not great in frigid temps | Bring on the snow! |
Flexibility | Pack it away when not in use | Permanent backyard fixture |
Hard-shell models keep the heat locked in tight, making them perfect even when snowflakes are falling! Meanwhile, inflatable options offer fantastic flexibility for smaller spaces or if you’re not ready for a year-round commitment.
Best Time of Year to Buy
Want to score the best deal? September kicks off hot tub hunting season! Retailers start clearing out inventory before winter hits, often with juicy discounts to tempt you.
As autumn leaves fall, look for floor models and demos with even deeper price cuts. Many brands offer payment plans too, so you don’t have to empty your savings all at once.
Just remember—holding out too long for rock-bottom prices might leave you with slim pickings. Balance your bargain hunting with getting the features you’ll actually use and enjoy!
What’s your salt water hot tub must-have feature? The perfect size? Massaging jets? Energy efficiency? Figuring this out first will make your shopping so much easier!
Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
!Hero Image for Best Salt Water Hot Tubs Tested: Expert Picks After 200+ Hours of Soaking (2025)
Curious why salt water hot tubs have spa lovers buzzing with excitement? After splashing around in dozens of models for over 200 hours, we’ve uncovered exactly why these bubbly beauties deserve all the hype they’re getting!
The Caldera Martinique didn’t snag the title of Best Saltwater Spa from Better Homes & Gardens (and their whopping 360 million yearly readers) by accident. Systems like the FreshWater Salt keep your spa water sparkling fresh for up to a full year! Compare that to old-school setups needing a refill every 3-4 months. You’ll save water and trim your energy bills by avoiding those frequent refills and reheats.
Should you jump on the saltwater bandwagon? You bet! These clever systems whip up chlorine automatically from just a pinch of salt—super easy to handle for even hot tub newbies. Plus, your skin and eyes will thank you for the gentler, silkier water experience compared to traditional chlorine tubs. With sizes ranging from cozy 150-gallon models to party-ready 450-gallon tubs fitting up to 12 people, finding your perfect match matters!
Ready to dive deeper? We’ll share our top salt water hot tub picks from our splash-filled testing sessions, along with easy-to-follow maintenance tips and a no-nonsense buying guide to help you pick the perfect bubbling oasis for your backyard!
Final Thoughts – Best Salt Water Hot Tubs
After soaking for 200+ hours in all these bubbly paradises, one thing’s crystal clear – salt water hot tubs absolutely rock compared to their traditional chlorine cousins! The silky-smooth water feel, that blessed absence of chemical smell, and how much gentler they are on your skin and eyes? Total game-changers!
Yes, you’ll pay more upfront for a salt water system. No sugarcoating that! But think about this – you’ll only need to change your water once a year instead of every few months. That’s huge savings on your water bill and heating costs! Earth-loving hot tubbers, this one’s for you!
The maintenance? Way easier than you might think! Just follow our simple schedule with the 10-day adjustment cycle and swap out those salt cartridges occasionally. No more constant fussing with chemicals and test strips like traditional tubs demand. Who needs that headache?
Got sensitive skin or peepers that turn red at the mere mention of chlorine? Salt water tubs are your new best friend! While they still use chlorine (surprise!), it’s created naturally through that fancy electrolysis process, giving you all the germ-killing power without the harsh effects.
Remember when shopping to match your tub to your space, feature wish list, and budget. And don’t forget – even the fanciest salt water system needs some TLC to keep bubbling happily!
After all our testing (and pruney fingers to prove it!), we’re totally sold on salt water hot tubs for anyone seeking top-notch relaxation. Sure, they cost more initially, but the user-friendly operation, reduced maintenance headaches, and that dreamy water quality make them worth every penny. For your wellness journey, these bubbly havens deliver therapeutic benefits that are simply hard to beat!
Q1. What are the main advantages of salt water hot tubs?
Salt water hot tubs offer softer, silkier water that’s gentler on skin and eyes. They require less frequent water changes, have no chlorine odor, and provide more stable water chemistry with lower long-term maintenance costs.
Q2. How often do salt water hot tubs need maintenance?
Salt water hot tubs typically require weekly water testing and adjustment of pH levels. The salt system output should be checked every 10 days, and salt cartridges usually need replacement every 3-4 months. A complete water change is generally only needed once a year.
Q3. Are salt water hot tubs more expensive than traditional chlorine tubs?
Initially, salt water hot tubs have a higher upfront cost, often double that of traditional chlorine tubs. However, the long-term chemical and maintenance costs are usually lower, potentially balancing out the price difference over time.
Q4. Which brands are known for the best salt water hot tubs?
Hot Spring and Caldera are widely recognized as top brands for salt water hot tubs. Other reputable manufacturers include Arctic Spas and Jacuzzi, which offer models with advanced salt water systems.
Q5. Do salt water hot tubs still use chlorine?
Yes, salt water hot tubs still use chlorine for sanitization. The difference is that they generate chlorine naturally through electrolysis of salt, rather than requiring manual addition of chlorine chemicals. This process typically results in lower, more consistent chlorine levels.
