Haviland Durachlor Hardness Increaser Size:50 lb you’ll add chemicals less frequently

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

and fountains

Simple dosing and routine: straightforward instructions fit weekly treatments alongside your sanitizer

keeping filters cleaner between deep cleanings

Total Chlorine or Total Bromine

Haviland Durachlor Hardness Increaser Size:50 lb you’ll add chemicals less frequentlyThe 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