3" Chlorinating tablets. 4-in-1 formula includes built-in stabilizer to protect chlorine from sunlight degradation, kills bacteria, controls algae and keeps water clean. Skimmer, feeder or floater applications.

1/2 ounce bottle of OTO and 1/2 ounce bottle of Phenol red solutions. For testing Bromine, pH levels and Chlorine. Replacement testing reagents for sku no. (135.0966).

Power, chlorine-free formula. Creates sparkling water. Destroys organic contaminants. Improves swimmer comfort. For all pool types, including salt. Swim in 15 minutes.

Prevents and eliminates foam. Solves frustrating water quality problems to get your spa back to normal quickly.

Raises pH in spa water. Guards against skin and eye irritation. Protects against corrosion of equipment and metal accessories.

Lowers pH in spa water and helps prevent scaling and cloudy water.

Refill solutions for 3 way test kit. Tests for pH, chlorine or Bromine.

For pools and spas. Each strip tests for: Free chlorine, Bromine, pH, Total alkalinity and hardness. Contains 50 strips.

Pool test kit contains 1/2 ounce bottle of OTO for chlorine test and 1/2 ounce bottle of Phenol red indicator solution for pH test. Easy to read test block. Comes in unbreakable storage case with instructions and color chart.

Tests for pH and chlorine or Bromine. Reliable poolside testing. Easy to read permanent color standards. Simplified testing with color coded reagents.

High purity salt like Diamond Crystal Splash ready pool salt is recommended by manufacturers of salt water chlorinators for pools. Water less salty than a human teardrop. Over 99 percent salt purity levels. Naturally free of additives. A safe alternative to chemical pool chlorine, providing the same level of clean at a lower chlorine level. Over 99 percent soluble, dissolving quickly and evenly to get you and your guests back into the pool faster.

Works with online water analysis and can be read manually. Tests for total hardness, total chlorine, free chlorine, pH, total alkalinity and stabilizer. For solutions to common pool problems. Personalized, accurate and reliable tests. Scheduled maintenance guide. Helpful product recommendations. 50 test strips.

Cleans filter build-up. Removes oily film, scale and other build-up on filter. Enhances filtration for clear water. Use at least twice per season.

Calcium hardness increaser prevents surface damage. Reduces corrosion, staining and etching. Ideal for plaster pools and soft water areas.

Clears dull, hazy or cloudy water. Combines small particles into large ones for easy filter removal.

Sinks debris, dead algae and large particles to pool floor. Use for a quick vacuum clean-up.

For pools and spas. Just dip test strip in your pool or spa water for one second and remove. Strip gives instant results. Tests for free chlorine, total chlorine, bromine, pH, total akalinity, hardness and stabilizer (CYA). Contains 50 strips.

No brushing needed. Yellow Gone dissolves mustard, green, brown or pink algae. Safe for all pool surfaces including vinyl. Works well with salt water generation systems.

Super water clarifier. Phosphate remover and waterline preventer. Treats up to 25,000 gallons.

Fast acting green algae treatment. Kills and prevents green algae. For use in all pool types. Non-foaming.

For swimming pool chlorination. Use to disinfect swimming pool water and prevent algae growth in your pool. Can also be used for other disinfection and sterilization applications. At higher dosages it can be used as a "shock" treatment for swimming pools. Balanced for clean pools. Contains 10 percent hypochlorite solution.

Fast dissolving chlorinating sanitizer and shock. Kills bacteria to help protect your spa or hot tub. Stabilized to offer long lasting sanitation. Removes organic contaminants. Produces clear sparkling water. Suitable for use with chlorine spas.

For pools and spas. Just dip test strip in your pool or spa water for one second and remove. Strip gives instant results. Tests for free chlroine, total chlorine, bromine, pH, total akalinity, hardness and stabilizer (CYA). Contains 50 strips and a 36 page Pool Owners Handbook.

Designed to meet the unique needs of saltwater pool chemistry and equipment maintenance to keep water sparkling all season long. Ensures salt and balancer levels. Tests for total hardness, total chlorine, free chlorine, pH, total alkalinity, stabilizer and salt to keep water clear of visible algae. Includes (50) 6 way test strips and (10) salt level test strips.

For instant, accurate water analysis. Personalized product and dosage recommendations. Pool care advice and problem solving videos. Maintenance reminders and test history. Tests for total hardness, total chlorine, free chlorine, pH, total alkalinity and stabilizer. Contains 50 multi-use smart strips.

Quickly dissolves and removes swimmers organic contaminants that cause dull, cloudy water and other problems. Won't impact pH. Reduces chlorine odor and eye irritation. Improves filter performance. Treat and swim in 15 minutes.

Long lasting chlorinating tablets. Slow dissolving 6 in 1 formula. Kills bacteria. Controls algae, prevents corrosion, scale and metal staining. Makes water silky smooth. Includes built in stabilizer to protect chlorine from sunlight degradation to last longer. Skimmer, feeder or floater application.

Non-staining. Kills green, mustard and black pool algae. See results in 24 hours.

3 in 1 kit for clear, comfortable spa water. Kills bacteria for clean water. Removes contaminants for clear water. For soft, crystal clear and odor free spa water. From Bromine spas. Ensures soaker satisfaction, equipment longevity, spa surface protection and chemical effectiveness. Includes 3 essential products to maintain clean, soft water: Brominating granules (14 oz), Water freshener (16 oz) and Soothing conditioner (32 oz).

Dissolves quickly and remove organic contaminants that cause dull, cloudy water and other problems. Kills and controls green, black and mustard algae. Also kills bacteria. Reduces chlorine odor and eye irritation. Improves filter performance. Won't impact pH. Treat and swim in 15 minutes.