Product Description

Super Zappit Cal Shock 65 is 73% Calcium Hypochlorite with 75% available chlorine. Our best selling shock treatment, Super Cal Shock 73 is in a fast dissolving granular form so it quickly destroys organic waste, algae and bacteria saving you time and money. 

Features:

• 1 lb bags Calcium Hypochlorite
• 1 lb. treats 16,500 Gallons!
• Powerful shock treatment great for spring start up
• Gives quick chlorine boost
• Ensure pool water is balanced for best results
• Complete instructions for dosage on container
• Compares To BioGuard Burn Out