Chemicals

Get clear, comfortable water with this convenient and easy-to-use sanitizer. Controls algae, kills , and destroys contaminants. For best results, use as part of your regular HTH spa care routine.

pH decreaser that helps balance pH levels in your spa water, improving both water quality and comfort. Not only ensures that your sanitizer is working more efficiently, but it helps prevent scaling of spa surfaces as well as significantly reduces skin...

pH increaser that helps balance pH levels in your spa water, improving both water quality and comfort. Not only ensures that your sanitizer is working more efficiently, but it helps prevent corrosion of spa surfaces as well as significantly reduces skin...

Automatically releases chlorine into pool water for up to 2 weeks. Adjustable ring controls the amount of chlorine being dispensed into the pool. Refill with 1 In. or 3 In. tablets.

Refillable dispenser automatically releases chlorine/bromine for convenient use in spas and hot tubs. Twist cap and adjustable dispenser ring. Refillable with 1 In. tablets.

Test for total and combined chlorine, bromine, pH, acid demand, and total alkalinity. Waterproof instruction card included. Over 100 tests in each bottle.

50 strips that test for free chlorine, total alkalinity, and pH. Easy-to-use for pool and spa. Replaces liquid tests.

Insta-Test strips are a quick and easy way to keep pools and spas clean, just dip the test strip and read the results. Tests for free chlorine, total chlorine, bromine, alkalinity, PH level, cyanuric acid, and calcium.

Tests for chlorine, bromine, and pH. Waterproof instruction card included. Over 100 tests in each bottle.

Pool and spa salt level test strips. Detects range of 1500 to 5000 ppm. Includes a waterproof bottle with hinged cap and stay-dry liner.

Begins working immediately to produce sparkling clear water. PH tolerant and aids filter performance. Prevents cloudy water formation and cures existing cloudiness. Can be used in pools treated with chlorine. 1 quart treats up to 160,000 gallons of water.

MultiShock treatment dissolves rapidly and completely. Delivers 56% available chlorine. Convenient and easy to use. Ideal for shocking or super chlorinating pool water to destroy organic contaminants and restore crystal clarity to pool water. Buffered to...