HTH Pool Super Shock Treatment (12-Pack)

Shock treat your pool at least once a week to kill unwanted bacteria and algae. Shocking gives your pool the boost of Super Benefit. This is an effective shock product that is fast acting, fast dissolving, kills bacteria and algae and restores crystal clarity to pool water within 24-hours. It is easy to use and contains no cyanuric acid (CYA), which means NO RISK OF OVERSTABILIZATION.