HTH 28019Click To Copy Pool Care 9 Lb. Chlorine Skimmer Tabs

Traditional chlorine products contain cyanuric acid (CYA). When too much CYA builds up, it can cause overstabilization or chlorine lock, cloud your water and cause algae growth. The slow-dissolving cal hypo formula in HTH chlorine skimmer tabs provides a steady source of available chlorine without adding extra (CYA) for beautifully clear water. The patented HTH slow dissolving technology protects against chlorine loss in direct sunlight and a sparkle that lasts up to 1 week. For best results, use HTH 6-way test strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm. Make sure Do not enter your pool until the free available chlorine residual is 1 to 4 ppm (parts per million) the skimmer basket is free of all other water treatment products before adding tab(s).