HTH Super 1 lb. Pool Chlorine Shock (36-Pack)

HTH Super shock treatment, 1 lb. 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 won't fade liners. It is convenient, easy to use, and won't over-stabilize your pool.