Poolife NST Purify 12 lb Stabilizer-Free Chlorine Shock for Pools Tablet Shock Formula Includes 2 Scum Socks and 7-in-1 Test Strips - 12 Pack

Stabilizer-Free Chlorine Shock Eliminates organic contaminants and restores water clarity without affecting pool balance Part of the 3-Step NST System Step 2 in the Poolife NST program for simple and consistent pool care Unique Tablet Formula Powered by potassium monopersulfate and sodium dichlor for effective weekly shock treatment Includes 2 Scum Socks Helps capture oils, lotions, and fine debris before they reach the filter for improved performance 7-in-1 Test Strips Provides fast and accurate readings of essential water chemistry levels for reliable maintenance