Help & Advice

You can find in this section technical support guides and information to help you get the best out of your pool or spa. Read our Help & Advice here


Troubleshooting problems in swimming pools and spas. Read our Troubleshooting Guides here

Fast Delivery

Delivery is FREE for all orders over the value of £75.00 and £7.50 for orders under this value to mainland UK. Read more about our delivery policy here

Hassel Free Returns

In the unlikely event you need to return your parcel, read our returns policy here

Champion Water Hardener 5Kg

This Item
£15.99 £19.99
Product ID:
In stock
  • Fast acting calcium flakes
  • Ideal for correcting calcium hardness levels
  • Suited to pools suffering high levels of grout loss
View All Product Details Here

Champion Water Hardener 5Kg

Champion Water Hardener can be used to help prevent the corrosion of equipment, fittings and general finishes in ‘soft’ water swimming pools.


Dose Rates:

To increase calcium hardness by approximately 10ppm, add 150g Champion Water Hardener to 10 cubic metres of pool water.

Storage & Handling

  • Store in a cool, dry place away from oxidizing and reducing agents, strong acid, alkalis, solvents and organic materials. 
  • Do not mix with other chemicals. 
  • Always wear suitable gloves and eye protection when handling.

Use biocides safely. Always read the label and product information before use.

To write your own review, please, log in or register