Unstabilized chlorine shock. Quick dissolving and fast-acting chlorine that can be used to kill algae blooms and/or for regular maintenance to give your pool water a jolt of concentrated sanitizer. Broadcast mainly in the deep end at the rate of 65g per10,000L. 500g is sufficient to shock most residential pools

Unstabilized Granular Chlorine Shock - 20kg

C$139.99Price