Best Ionrx in 2026

Eliminate overwhelming chemicals in hot tubs. No more chemical smell or issues like rashes, itching, coughing, sneezing, tight skin or faded suites.

The most natural hot tub water there is. Used over 10 years commercially, now available for residential hot tub treatment. Easy maintenance for worry free hot tubbing.

iONRx must be used with ultra low levels of chlorine. pH should be maintained as well.

Increases Water Hardness

Low calcium hardness level can cause corrosive water

Prevents the staining or etching of your pool's surface

Raises pH levels

Prevents eye irritation

Ideal PH range 7.2 to 7.8 ppm

Raises low pH in swimming pool water

Reduces eye irritation for swimmers

Guards against corrosion

Keeps pool pH balanced

Protects against eye and skin irritation

Reduces pool maintenance

Increases low Total Hardness levels in swimming pool water

Prevents corrosion, etching, and staining

Prevents pool surface damage

Helps chlorine last longer

Reduces sun's impact on chlorine

Perfect for salt pools, new pools and pools that use liquid chlorine

Lowers high pH in swimming pool water

Restores neutral pH

Protects from scale

Adjusts Water Ph And Alkalinity Downwards

Fast-Dissolving Granular Product

Easy To Use

Raises Ph, In Spa Water

Country Of Origin: United States

No Assembly Required

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

Increases Cyanuric Acid Level

Decreases Chlorine Loss due to Sunlight

Reduce Chlorine Consumption up to 25%

Fast-acting Calcium Hypochlorite chlorine granules provide 65% minimum available chlorine for hard-hitting immediate results!

NOTE: This item cannot be shipped to Alaska or Hawaii (item will be removed from your order).

Fast-acting Calcium Hypochlorite Cal-Chlor chlorine granules provide 68% available chlorine for hard-hitting immediate results!

CONTAINS: LeisureQuip Scum Absorber, SpaGuard Total Alkalinity Increaser 2lb, SpaGuard Calcium Increaser 12oz, SpaGuard pH Increaser 18oz, SpaGuard pH Down 1lb, Test Strips (5-way) - 50 strips/btl.

EFFECTIVE: Tested and proven SpaGuard products that are reliable and take the hassle out of your spa or hot tub care

APPROVED: SpaGuard spa water balancers provide the right balance for your spa, hot tub or pool, by preventing surface corrosion and equipment damage while balancing water for bather comfort

Concentrated Granular Sodium Bisulfate.

Biodegradable, Non Toxic, Safer the Muriatic acid

10 lbs. granular pH Reducer = 1 gal. muriatic acid

CONTAINS: SpaGuard Total Alkalinity Increaser 2lb, SpaGuard Calcium Increaser 12oz, SpaGuard pH Increaser 18oz, SpaGuard pH Down 1lb, LeisureQuip ScumBoat Scum Absorber

EFFECTIVE: Tested and proven SpaGuard products that are reliable and take the hassle out of your spa or hot tub care

APPROVED: SpaGuard spa water balancers provide the right balance for your spa, hot tub or pool, by preventing surface corrosion and equipment damage while balancing water for bather comfort

Concentrated Granular Sodium Bisulfate.

Biodegradable, Non Toxic, Safer the Muriatic acid

10 lbs. granular pH Reducer = 1 gal. muriatic acid

BRAND NEW PACKAGING! New resealable bag design allows chemicals to be easy to store & use!

ACTIVE INGREDIENT: Cyanuric Acid 100%

STABILIZER (cyanuric acid) helps protect chlorine in pool water from dissipation caused by sunlight. Use if intense sunlight causes difficulty in maintaining a chlorine residual.

Quickly oxidizes contaminants in your spa or hot tub

Enhances the sanitizing effectiveness of chlorine and bromine

Removes chloramines and bromamines that cause chlorine odor

Increases Cyanuric Acid Level

Decreases Chlorine Loss due to Sunlight

Reduce Chlorine Consumption up to 25%

Use when total alk. drops below 80 ppm.

Keeps your pH and Chlorine from becoming unstable Granular form, easier to apply into your water

Compatible with pool, spa, and hot tub

Contains: Alkalinity Increaser 2lb, Calcium Increaser 1lb, pH Increaser 1lb, pH Decreaser 1.5lb, ScumBoat Floating Scum Absorber, and Pool & Spa Care Log Book

This spa care bundle includes the chemicals needed to balance the water in your hot tub or pool. Use test strips or a test kit to see what your current water pH, alkalinity, and calcium levels are. Use the chemicals in this kit to raise/lower the levels to ensure proper balance in your pool or spa.

This spa & pool balancer kit includes the chemicals needed to bring the water to the correct pH, alkalinity, and calcium levels as well as a scum absorber to help keep oils from building up on the waterline.

Contains: Alkalinity Increaser 2lb, Calcium Increaser 1lb, pH Increaser 1lb, pH Decreaser 1.5lb, ScumBoat Floating Scum Absorber, Test Strips, and Pool & Spa Care Log Book

This spa care bundle includes the chemicals needed to balance the water in your hot tub or pool. Use test strips or a test kit to see what your current water pH, alkalinity, and calcium levels are. Use the chemicals in this kit to raise/lower the levels to ensure proper balance in your pool or spa.

This spa & pool balancer kit includes the chemicals needed to bring the water to the correct pH, alkalinity, and calcium levels as well as a scum absorber to help keep oils from building up on the waterline.

The Hayward TurboCell Replacement Salt Cell for in-ground pools up to 25,000 gallons delivers silky smooth, naturally sanitized water that won’t irritate eyes, dry out skin or cause fabrics to fade

Cuts chlorine costs by up to 50% for major savings season after season

Independently certified by the National Sanitation Foundation (NSF) for reliable performance

New 2021 Model PPC1 Salt Cell

For use only in certain hot tub models: Artesian Elite, Artesian Island (optional on Artesian Island Elite and South Seas); Marquis Crown (optional on Marquis Elite, Vector and Celebrity); Caldera Vacanza; and Hot Spring Hot Spot.

The system includes one Mineral Cartridge that lasts 4 months, one SmartChlor Cartridge, FROG @ease Test Strips, and one package FROG Jump Start startup shock.

Kills bacteria 2 ways with FROG Sanitizing Minerals and SmartChlor – a unique, patented chlorine that self-regulates and maintains a consistent low Free Chlorine level

Product Does Not Cloud Pool

Ready To Use, No Mixing Required - Great Choice for Pool Closings

Perfect For Pressure Washing, Sanitation & Other Related Uses

BENEFITS: Ensures that your swimming pool has a balanced pH so you can enjoy splashing in the water all season long in healthy water

USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products

COMPATIBILITY: Great for vinyl-lined pools and saltwater systems

The Hayward TurboCell Replacement Salt Cell for in-ground pools up to 40,000 gallons delivers silky smooth, naturally sanitized water that won’t irritate eyes, dry out skin or cause fabrics to fade

Cuts chlorine costs by up to 50% for major savings season after season

Independently certified by the National Sanitation Foundation (NSF) for reliable performance