Description
HTH Pool Care Shock Ultra 1Lb, Calcium hypochlorite 56%, fast acting, softens water, kills bacteria and algae, enhanced clarification agent, good for all pool surfaces, concentrated formula.
All in one weekly chlorine boost
Increases chlorine levels quickly
Prevents bacteria & algae
Softens & clarifies water
Cal Hypo for visibly sparkling water
Cal Hypo formula prevents chlorine lock
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