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Hardness Increaser (25 lb)

Raises calcium hardness levels
Prevents surface corrosion
Chlorine based
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  • Detail

    The Durachlor Hardness Increaser product is used to raise the total calcium hardness level in swimming pools. If proper calcium levels are maintained you can prevent the etching, pitting, and similar problems to the surfaces of plaster, masonary, and concrete pools.

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