HTH

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...

6-way test strips. Test for free available chlorine, bromine, pH, alkalinity, calcium hardness, and CYA (cyanuric acid) levels. If left untreated, unbalanced swimming pool water can irritate swimmers...

Chlorine granules that provide visible sparkle and crystal clear water in just 24 hours. Traditional chlorine products contain cyanuric acid (CYA). When too much CYA builds up, it can cause...

Designed for HTH Brilliance Cal Hypo chlorine tablets. Item is bought or sold without the chemical tablet in it. The HTH Chlorine Floater is a low-maintenance sanitizing solution that protects your...

Safely remove debris, clean your skimmer basket and replace your 3 inch chlorine tabs without touching chlorine tablets using our pool skimmer basket insert.

Stops algae at the source. HTH Phosphate Remover eliminates phosphates (caused by source water, decaying leaves or fertilizer) that feed stubborn algae.

HTH Pool Care Salt Shock product boosts chlorine to shock levels your salt generator may not be making. This product dissolves quickly and completely for easy salt water pool shock treatment.

HTH Brilliance Cal Hypo Chlorine Tablets, Sanitizers for clean, brilliantly clear water. Use with Cal Hypo tablet designed floater, feeder, or skimmer basket insert.

HTH Pool Care Shock Ultra is an advanced pool shock that makes weekly upkeep simple and certain. This all-in-1 Cal-hypo swimming pool shock treatment boosts chlorine fast, fights and algae, and...

HTH Pool Care Shock Ultra is an advanced pool shock that makes weekly upkeep simple and certain. This all-in-1 Cal-hypo swimming pool shock treatment boosts chlorine fast, fights and algae, and...

Protect your swimming pool against , algae, and other organisms and enjoy clean, clear pool water with these convenient one-dose tabs. Sun protected for longer chlorine life, they dissolve slowly and...

Granular formula alkalinity increaser. Raises the total alkalinity in your pool water, and also helps keep the pH levels from fluctuating. Low alkalinity levels in swimming pool water can cause undue...