Product Code

Product group:
Product number:

This is the specification for Potable Water Grade Calcium Hypochlorite that can be used to chlorinate and control bacterial growth in Potable Water, Swimming Pools and Spas and for Grey Water Sterilisation.

Product information

Any product supplied under this specification must meet the properties described and meet with local drinking water approvals, such as NSF, UK DWI, US EPA. The chemical must be properly labeled in compliance with the present national and international laws and regulations concerning transport, health, safety and environment. A Safety Data Sheet must be provided by the manufacturer.


  • Rapid dissolution
  • Easy test method (free chlorine)
  • Controls bacteria growth in drinking water



Directions for use

Calcium Hypochlorite granulate or tablets contains 70% available chlorine.
Calcium Hypochlorite may be applied directly to the water system at any point where there is sufficient time and turbulence to facilitate dissolution. The product should be applied and controlled to achieve the target free chlorine residual which is system dependent. Each system has a chlorine demand which has to be satisfied before free chlorine residual is obtained. The chlorine demand is dependent upon system design and water cleanliness.

Dosage of Calcium Hypochlorite :

  • Potable water typically requires 2g per m³
  • Pools and Spas typically require 4 to 6g/m3
  • Grey water typically requires 5-10g per m³

These are nominal dose rates and should be adjusted depending on measured free chlorine results. Test kits can be selected from the Potable Water Test Kit range.