Stay all clear for cannonballs! This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation and quickly restores crystal clarity.
Multi-functional shock treatment for weekly use
Use weekly to solve 90% of pool water problems
Restores crystal clarity in 24 hours
Visibly brilliant sparkle
This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.
