Super Pool Shock 1 lb bag's powerful 70% minimum available chlorine shock that will quickly kill algae, bacteria, and other harmful contaminants from your pool.
Fast dissolving
Great for spring openings!
Low Residue!
73% Calcium Hypochlorite active ingredient
70% Minimum Available Chlorine
Ideal for super chlorination and routine maintenance
1 lb. bag per 10,000 gallons provides 5-10 ppm available chlorine