Description:
Maintain a clean, beautiful pool all year round with the help of professional pool care products from Arch Chemical! HTH Ultimate 7-in-1 Shock Treatment kills bacteria and algae, won't fade or bleach liners, reduces eye irritation and chlorine odor, prevents stain and scale, dissolves quickly, softens pool water, and produces crystal clear results in 24 hours. Step 3 of the 4-Step System. Bag contains 1 lb. Pack of 6.