Best Freshwater in 2026

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

Contains one (1) API AQUARIUM SALT Freshwater Aquarium Salt 65-Ounce Box

Promotes fish health and disease recovery with increased electrolytes

Improves respiration for fish in freshwater aquariums

Super Start-Up Kit up to 30,000 Gallons Includes: 2 qts. Stain Away for Swimming Pools

1 qt. Clarifier for Swimming Pools

4 x 1 lb. Pool Shock Bags

SUPER-POWERFUL STAIN EXTRACTOR - Lightning Fast is a super-powerful stain extractor that penetrates deep, dissolves tough stains, then emulsifies and lifts dirt and debris to the surface to restore fabric, upholstery, and carpet.

TWO AMAZIN PRODUCTS IN ONE - Mistakes and spills happen all the time, but the stain can remain for a lifetime! Lightning Fast is boosted with strong cleaning agents that penetrate deep, dissolve stains, then emulsify and lift dirt and debris to the surface.

TOUGH ON STAINS, GENTLE ON FABRIC - Lightning Fast works hard so you don’t have to. Simply spray, agitate, then wipe. No need for hard scrubbing and brushing to remove set in stains, dirt, grease, or grime.

Maintains problem-free water, established from Beginnings

Prevents scale

Makes water silky smooth

Contains one (1) API POND SALT Pond Water Salt 4.4-Pound Container

Promotes fish health and disease recovery with increased electrolytes

Improves respiration for fish in pond

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

7 Way: These test strips for pools and spas read 7 different chemicals in the water. The pool strips test 7 way offer clear readings in daylight and come with detailed instructions

Easy to Use: To use the pool testing strips, collect a cup of pool water sample, dip the pool test strip in for 2 seconds, and then wait 60 seconds to read the pool tester strip with the color chart

Efficient: The swimming pool water test strips take the place of larger swimming pool test kit sets. The pool chemicals test strips take only a few minutes to deliver a complete picture

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

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!

Works with iPhone and Android

Instant, accurate customized test results

Step-by-step treatment instructions

Prevents metal stains and scale formation

Removes fresh metal stains including Iron and copper

Perfect for treating hard water

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%

Size: 1 gallon

Immediately stabilizes chlorine and protects it from direct UV degradation

Instant conditioner is a salt and less harsh than acid-based stabilizers

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

HOTSPRING SILVER SPA 6 Units Ag+ Mineral Ion Cartridge Filter Sticks in Bulk Packing Without Retail Package

Choose vvebuy 4TH generation mineral technology doesn't just help protect the investment you've made on your hot tub and spa set up.

Mineral ion filter cartridge brings you boost minerals,release Vitamin E ions and VC factor to your spa.

Eliminate cloudy water, extend your filter life, and keep your pH balanced with our Spa Water Clarifier. Restore hot tub water clarity with the best spa clarifier for hot tubs.

How it works - AquaDoc's spa clarifier attracts micro dirt particles together, almost like a magnet, so that they can be caught by the hot tub filter. This clarifies your hot tub and extends your cartridge filter life.

The Spa Water Clarifier Hot Tub Owners Love - When it comes to Spa Chemicals Clarifier is one of the most important spa chemicals to keep your spa clear of dirt & foam. Our Spa clarifier hot tub chemicals clear your water fast so you can enjoy your hot tub.

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

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

BENEFIT: Protect your swimming pool and enjoy clean, clear water with these easy-to-use chlorine-based tabs; Kills algae and bacteria

CLEAN, CLEAR WATER: HTH Chlorine Tabs keep water clear while protecting against bacteria, algae and other organisms

SLOW DISSOLVING, LONG LASTING: Sun protected for longer chlorine life, HTH Chlorine Tabs dissolve slowly and last up to one week

Your Hot Tub is part of your family. It deserves to be chemically pampered. The serum is the only weekly maintenance product you will see in this category that has the highly regarded EPA Registration that is NOT designated as a sanitizer/oxidizer.

Compare Serum to many other brands that you see as a maintenance product. Hot Tub Serum performs a Powerful Clean Performance. It polishes water to super brilliance reduces sanitizer decay rates for extra sanitizer mileage softens water for the ultimate soaking escape and mitigates organic plumbing & jet bio-contamination.

Serum maintenance is added at a weekly rate of one ounce per 100 gallons. The serum will work with chlorine, bromine, ozone, mineral sticks, enzymes, or any other chemical protocols you now use

Increases Cyanuric Acid Level

Decreases Chlorine Loss due to Sunlight

Reduce Chlorine Consumption up to 25%