Calcium Hypochlorite Granules (Chlorine Shock)

Calcium Hypochlorite

Help & Advice

ChemicalCalcium Hypochlorite 70%
FunctionA 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 DoseNot suitable for spas.
Dosing MethodThe 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.
Chlorine Shock (Calcium Hypochlorite Granules)

Chlorine Shock (Calcium Hypochlorite Granules) - 1 Kg

A granular form of chlorine shock treatment for large in-ground pools. Can also be used as a sanitiser for indoor pools.…

 
Code - SP152-1

Chlorine Shock (Calcium Hypochlorite Granules)

Chlorine Shock (Calcium Hypochlorite Granules) - 2.5 Kg

A granular form of chlorine shock treatment for large in-ground pools. Can also be used as a sanitiser for indoor pools.…

 
Code - SP152-2.5

Chlorine Shock (Calcium Hypochlorite Granules)

Chlorine Shock (Calcium Hypochlorite Granules) - 5 Kg

A granular form of chlorine shock treatment for large in-ground pools. Can also be used as a sanitiser for indoor pools.…

 
Code - SP152-5

Chlorine Shock (Calcium Hypochlorite Granules)

Chlorine Shock (Calcium Hypochlorite Granules) - 10kg

A granular form of chlorine shock treatment for large in-ground pools. Can also be used as a sanitiser for indoor pools.…

 
Code - SP152-10

Chlorine Shock (Calcium Hypochlorite Granules)

Chlorine Shock (Calcium Hypochlorite Granules) - 20kg

A granular form of chlorine shock treatment for large in-ground pools. Can also be used as a sanitiser for indoor pools.…

 
Code - SP152-20

Result Pages:

    0 items

Delivery Service
Free delivery information
Free Next Working Day Delivery on all orders over £60 placed before 3pm. All orders under £60 have a delivery charge of £4.99.
Sparkle Water Clarifier
Product reviews average

(4360 reviews)
Service reviews average

(2604 reviews)