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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Chemically resistant materials — withstands chlorine
Ideal for new spa owners and seasonal users alike
and clearer bottom visibility on concrete and gunite surfaces
0 Liter Large Capacity Chamber – Holds more debris
user-friendly formula
Haviland 10LB Hardness Plus Calcium Hardness Increaser For Pools cleansing solution Chemically resistant materials — withstandsHaviland 10 LB Hardness Plus Calcium Hardness Increaser For Pools Intro Designed to safely raise calcium hardness in pool water, Haviland Hardness Plus protects surfaces from corrosion and premature wear. By restoring proper calcium levels, it helps prevent pitting, etched plaster, and metal corrosion. This granular formula is compatible with all sanitizing systemschlorine, bromine, mineral sanitizers, and biguanideso you can maintain a balanced water
