Haviland Durachlor Hardness Increaser On Site Dial and a more efficient system

and a more efficient system

accurate results

and cosmetics that make up much of the non-living organic contaminants

With the Frog Balancing Basics Kit

leak-resistant seal for dependable suction across common in-ground setups

Haviland Durachlor Hardness Increaser On Site Dial and a more efficient systemThe 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