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Simple dosing and routine: straightforward instructions fit weekly treatments alongside your sanitizer
Six-Position Valve with Positive Lock: precise mode selection and secure operation during maintenance
with minimal interference from cyanuric acid
Salt testing capability: Helps balance sodium chloride levels for saltwater pools
Versatile Applications: Ideal for diverting
Haviland Durachlor Hardness Increaser Size:50 lb Simple dosing and routine: straightforwardThe 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
US$ 40.00
US$ 44.99
US$ 37.00
US$ 375.00
