The 10 best hot tubs with salt water systems of 2025

CONVERT ANY HOT TUB TO A SALTWATER SYSTEM: This salt-based spa system produces a pure form of chlorine by electrolysis of natural salt (NaCl). Salt is converted to chlorine to do its work, then the chlorine recycles back to salt. The concentration of salt needed is small (less salinity than tears).

EFFECTIVE: Produces chlorine from electrolysis of natural salt, for a sanitary hot tub experience. Test chlorine weekly; adjust timer accordingly for great results (don't exceed 3.0-4.0 PPM).

SIMPLE TO INSTALL: Plug in the controller above ground and out of water, while immersing the chlorinator cell in water. For hot tubs and swim spas up to 2000 gallons. Cell holder included, for storage while bathing.

ULTRA-LOW ENERGY CONSUMPTION: Built-in timer/controller with LED indicators. The titanium cell is the most reliable power system available. 6' (72 inch) power cord; 120 VAC, 50/60 Hz, 0.2A. 12' (144 inch) cell cable; output: 5 VDC 2A. 1-year warranty. Replacement cells sold separately.

FOR YOUR HOT TUB SPA: Nothing else keeps your water clean like the Saltron MINI.

AN UNMATCHED HOT TUB SPA EXPERIENCE: Tired of skin issues from chlorine? Our Briidea salt chlorine generator keeps your hot tub clean and chemical-free—no more burning eyes, dry skin, or harsh chlorine smell. Enjoy softer, cleaner water

USA-MADE TITANIUM SALT CELL: The titanium salt cell crafted by American company, ensure effective chlorine production. The cell automatically reverses polarity every 5 hours, extending its lifespan and saving you replacement costs. Pro tip: test chlorine weekly and adjust the timer for optimal results

LED INDICATOR: The built-in timer/controller features LED indicators for hassle-free operation. Set it to run daily, and the unique salt concentration detection method keeps you informed of the salt level, ensuring everything stays within the normal range

SAVE TIME AND MONEY: With our chlorine generator, you'll cut costs on chemicals and eliminate the hassle of buying and storing chlorine. Make pool maintenance easier

EASY INSTALLATION: No plumbing needed! Simply plug in the controller above ground while submerging the chlorinator cell in water. Installation is a breeze for hot tubs and pools up to 2000 gallons, saving you time and effort

3 - Pack Freshwater Salt Cartridges

Convert Any Spa to Salt Water - XtremepowerUS spa chlorinator produces chlorine using a small amount of ordinary salt (sodium chloride) dissolved in water, making it the ideal solution for spas, cold plunges, ice bath tubs, inflatable hot tubs or portable hot tubs. With XtremepowerUS, you can convert any spa into a saltwater spa

LED Indicator - Built-in timer/controller with LED indicators. It can run daily (turn on every 3 hours automatically), no need to wait or setting frequently. The interior adopts unique detection method of salt concentration, and the LED indicator clearly indicates the level of salt, keep the salt in a normal operating range

Gentle On Eyes & Skin - The electrolysis process produces chlorine from salt, which naturally softens water for spas and hot tubs up to 3,000 gallons. The soft, gentle feel makes the XtremepowerUS a better choice for those with sensitive skin.

Low Power Consumption - The titanium cell is the most reliable power system available, low energy consumption

Easy Installation - No plumbing required, plug in the controller above ground and out of water, while immersing the chlorinator cell in water. Easy installation on your tubs, save your times & efforts. For hot tubs and swimming pools, spas up to 3000 gallons

Salt for hot tub spas by Freshwater. Ace System uses salt and electricity to create chlorine for your spa.

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

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

Upgrade the sanitization function with an “electrolytic cell”, item# 28530E (sold separately)

UPGRADE TO A SALTWATER POOL – Enjoy the same process used for in-ground swimming pools to keep your above ground pool sparkling clear with the ease of less maintenance

ADVANCED FILTERING SYSTEM – Simply connect to the filter pump, add salt to your above ground pool water and the rest is automatic through the system

CONTROL PANEL – The saltwater system is designed with an intuitive control panel display with easy access buttons for effortless scheduling and cleaning

FRESH AND CLEAN WATER – Experience the benefits of upgrading your above ground pool to a saltwater pool; enjoy a clean swmming environment for up to a 15,000-gallon pool

HYDROAERATION TECHNOLOGY – It's all in the bubbles; patented HydroAeration Technology by INTEX when using our filtration systems improves overall water circulation, clarity, and freshness in thousands of above ground pools

REMOTE CONTROL VIA APP: The new-generation salt chlorine generator for bathtubs comes equipped with WiFi control functionality. You can remotely manage and monitor the salt levels in your bathtub through the GeniLife app, ensuring a softer, cleaner spa experience. Only Supports 2.4GHz Wi-Fi

TITANIUM ELECTRODES MADE IN THE USA: These American-made titanium electrodes offer a lifespan of up to 3,000 hours, ensuring long-term, stable performance. This reduces maintenance and replacement costs, allowing you to enjoy your spa experience with peace of mind

LOW SALT ALERT: Our WiFi salt chlorine generator is equipped with a low salt alert feature. The system automatically tests salt levels 24/7, and when the salt level is too low, notifications are displayed on both the app and the controller. Say goodbye to worries about low salt levels in your hot tub

REAL-TIME TEMPERATURE DISPLAY: The newly added real-time temperature display feature (50℉-104℉) allows you to monitor the bathtub water temperature at any time. This helps you avoid discomfort or burns caused by water that is too hot or too cold, ensuring a more comfortable bathing experience

EASY INSTALLATION: No plumbing needed—just attach the controller to the bathtub and place the chlorinator unit in the water. It’s quick and hassle-free, saving you time and effort. Ideal for hot tubs and pool spas up to 2,000 gallons

【Two Pipe Interface Options】: Salt chlorine generator above ground pool offers two pipe connection options: internal (2 inches/48.3mm or 50mm) and external (1.25-1.5 inches/32mm-38mm). Please verify the pipe size before purchasing for a proper fit

【IPX5 Waterproof Rating】: salt pool chlorine generator has an IPX5 waterproof rating, making it rain and splash proof, but it cannot be soaked in water and should avoid prolonged exposure to direct sunlight or bad weather to extend its life

【Improved Water Quality】: Saltwater chlorinator for above ground pool uses saltwater electrolysis to produce chlorine, keeping the pool clean without extra chemicals. It reduces skin irritation and lowers calcium, magnesium, and heavy metals, improving water quality and making pool maintenance easier

【Mobile app control】: Salt water pool chlorinator system quipped with built-in Blue-tooth can be controlled and monitored via a mobile app. It offers intelligent adjustments, alerts, and data tracking, allowing you to check water quality, receive abnormality notifications, and ensure safe swimming, all while enhancing your quality of life

【Low Salt Alarm and Operation】: Chlorine generator for salt water pool low salt alarm alerts you when salt levels fall below the set threshold, prompting you to adjust salt for optimal chlorine production. The system also tracks running time (4/6/8/12/24H) to ensure efficient operation and water quality

【Self-Cleaning Titanium Plates】: Chlorine generator for a swimming pool helps the titanium plate self clean by regularly reversing the positive and negative poles, preventing dirt accumulation, reducing corrosion and cleaning frequency, ensuring efficient and stable electrolysis and water quality treatment, extending system life and improving efficiency

【3-Year Service】: Our chlorine generators for swimming pools comes with a 3-year service. For any issues, refer to the user manual or contact support for a fast (within 12 hours) and satisfactory solution

🏊The salt chlorine generator always keeps the swimming pool/bathtub hygienic without chemicals, protecting your skin, eyes and hair, allowing you to enjoy a better quality spa.

🏊High-efficiency titanium salt tank can stimulate more chloride ions at a suitable salinity to make sterilization more effective. The product will automatically switch the polarity of the titanium CELL, which greatly improves the life of the titanium CELL.

🏊Built-in timer, and always display the current remaining running time, just set the target running time, the product will automatically enter the countdown.

🏊The salt chloride generator has a salinity status indicator, which can clearly inform you whether the current salinity is suitable, and it is recommended to keep the salinity within a suitable range, which can save your money and time.

🏊The salt chlorine generator does not need to be installed, just plug in the power supply, put the titanium CELL into the salt water bathtub, select the running time, and then the high-efficiency chlorine generation can be started. This product is suitable for any salt water swimming pool and bathtub.