A granular form of chlorine shock treatment for larger volume pools that are not emptied on a regular basis. Can also be used as a chlorine sanitiser for indoor pools.
Pool Dose
To increase the free chlorine level by 1 ppm add 75 grams per 10,000 gallons.
Pool Shock Dose
Once a fortnight (or more often in warmer weather), add 500 grams per 10,000 gallons of pool water. If algae is present you may need to double or even treble the recommended dose.
Spa Dose
Not suitable for spas.
Dosing Method
The granules are dissolved in a bucket of warm water and distributed around the pool or poured into the skimmer basket. Make sure your skimmer basket is free from all other types of chlorine before pouring it in.
Health and Safety
Click here for a MSDS sheet for Calcium Hypochlorite Granules. Please Note: DO NOT MIX WITH ANY STABILISED CHLORINE AS IT WILL REACT VIOLENTLY! Please make sure your skimmer is free from all other types of chlorine before pouring it into the skimmer.