Pro-Swim GRANULAR SHOCK-IT KILLS ALGAE IN YOUR SWIMMING POOL
Pre-dissolve in a bucket of warm water to eliminate residues. Most rapid reaction non - stabilised. pH alkaline - may cloud water temporarily. Pre - season or to oxidise water periodically. Good problem solver.
STOPS YOUR SWIMMING POOL GOING GREEN.
By useing this product you will not need to change your Water as often so the local Water Board will be Happy as well as the Environment.