Step 2 of the HTH® EXTRA 3-Step System
This quick dissolving Calcium Hypochlorite shock provides 75% available chlorine.
Compatible with chlorine, ozone, mineral systems and salt water pools.
Available Sizes: 454 g, 6 kg and 15 kg
With 65% available chlorine, HTH® Sock It® shock treatment controls bacteria and algae in swimming pools.
Available Sizes: 0.454 kg, 2.27 kg and 8 kg
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