Super Shock-IT Granular CAL-HYPO 73% active- 5 lbs
Super Shock-IT Calcium Hypo 5lbs pail 73% active
SUPER SHOCK-IT ® – This fast acting granular product can be broadcast directly into your pool. It restores sparkle and sheen to pool water as it kills germs, destroys algae and burns away organic contaminants. Ideal for white plaster pools.