Pool Master Water Hardener is a calcium salt that is used to increase the hardness of swimming pool water and spa water.
Ideal Calcium Hardness level is between 200 – 500 ppm
Para Rubber offers a FREE water analysis service
Remember to keep pool chemicals out of children’s reach.
$24.99 incl. GST
In-store Only
In stock
$10 Cutting Fee included
**Customise your size. Default Price is for 1sqm (100cm x 100cm)
Pool Master Water Hardener is a calcium salt that is used to increase the hardness of swimming pool water and spa water.
Ideal Calcium Hardness level is between 200 – 500 ppm
Remember to keep pool chemicals out of children’s reach.
Need Help? Call our friendly team on 0800 PARA RUBBER
Please note that due to freight costs we cannot deliver to the offshore islands – Barrier, Waiheke, Stewart, Chathams
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