Haviland Durachlor Hardness Increaser Size:50 lb EZ Spa Start removes phosphates

EZ Spa Start removes phosphates

keeping filters cleaner between deep cleanings

you’ll add chemicals less frequently and enjoy steadier water chemistry

with minimal interference from cyanuric acid

Salt testing capability: Helps balance sodium chloride levels for saltwater pools

Haviland Durachlor Hardness Increaser Size:50 lb EZ Spa Start removes phosphatesThe 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. Raises calcium hardness levels Prevents surface corrosion Chlorine based