HTH Chlorinating Tablets: available at Amazon Chlorine is an important additive for a swimming pool because it keeps the water clean by destroying harmful bacteria and by eliminating the formation ...

The key active ingredient in HTH Chlorinating Granules, calcium hypochlorite is the Grim Reaper of bacteria, algae, fungi, slime, and other swimming pool creeps. It kills through oxidation ...

Verderamo, a technician with Competition Pools in nearby Nutley, said his client still had some chlorine tablets left over from last summer, so he wasn’t worried just yet about a nationwide ...

$1.50 OFF Any one of the following: HTH® pH Plus®, HTH® pH Minus, HTH® Calcium Plus, HTH® Alkalinity Plus 50¢ OFF HTH® Any one of the following: 1 lb. bag of HTH® Shock ‘N Swim or HTH ...