Hth Sup Select Schk 1 Lb 51436 Pack of 15

This HTH Super Premium Shock Treatment restores crystal clear water in just twenty-four hours.

HTH Super Sock It - 10.5% stronger than Sock It . Fast acting 52% available chlorine. Faster dissolving. More powerful to combat algae and bacteria with less residue. Color code: Red. - Container Size: 1 lb, Pkg Qty: 1, Package Type: Bag