HTH 1 lb. Pool Care Shock Advanced

This is an effective, 4-in-1 shock product that kills bacteria and algae and restores crystal clarity to pool water within 24-hours, reduces chlorine odor and eye irritation caused by swimming pool water and wont fade liners. It is convenient, easy to use and wont over-stabilize your pool, for crystal clear pool water, follow our HTH 4 step pool care program: Step 1: Test and adjust pool water balance, Step 2: Sanitize, Step 3: Shock treat your pool at least once a week and Step 4: Add algaecide regularly. Use entire contents of bag when opened. DO NOT use in floater or feeder.