8 LB, 3", Ultimate Chlorinating Tablet, Soften The Water & Chlorinate For Up To 1 Week, Contains A Stain & Scale Preventer, Built In Algae Fighter, Clarifier, & Resistance To Sunlight.

HTH ALGAE GUARD 10 1GAL

50 lb, hth pool filter sand, for use in all sand filters, active ingredient crystalline silica, quartz 87-99.9%.

Economical

5 pounds, 1 inch, chlorinating tablets, are an effective swimming pool water sanitizer, convenient & easy to use tablets are formulated to protect against chlorine loss in direct sunlight, & can be used in feeders, designed to dissolve slowly providing a steady source of available chlorine, up to 1 week.

6-Way test kit. Allows every pool owner to test for 6 key elements (total chlorine, bromine, pH, total alkalinity, total hardness, and cyanuric acid or CYA). You get quick, accurate results so you can balance your pool water. Best of all, it works with all pool types, including vinyl-lined and salt water systems.

pool care kit, for opening & closing pools, includes: hth 2 pounds ultimate shock treatment, 1 hth 12 ounces algae guard granules, 1 hth 1.25 pounds metal & stain defense granules, 10 hth multi purpose 6 way test strips, treats up to 20,000 gallons.