HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal C

About this product

This calcium hypochlorite chlorine shock treatment rapidly sanitizes swimming pool water by killing stubborn bacteria and eliminating algae blooms. It is specifically formulated for pool owners who need a fast-dissolving, high-strength chemical to restore water clarity and sanitation after heavy rain or intense use.

Best for

Pool owners needing fast recovery from green algae and bacteria

What works well

• ✓Rapidly dissolves in pool water without leaving heavy residue
• ✓Effectively kills harmful bacteria and clears stubborn green algae
• ✓Restores sparkling crystal clarity to cloudy swimming pools quickly

Worth knowing

• iRequires careful pre-dissolving to prevent bleaching pool liners
• iMust keep pool closed to swimmers for hours after application

Bottom line

This powerful shock treatment is essential for rapid pool recovery, provided you handle the potent chlorine with care.