FSS DeSludge HD is a concentrated blend on inhibited organic and inorganic acids, scale dispersants, derusting agents, water conditioners, and low foaming detergents balanced for maximum penetration and dispersion of water scale, rust oxides, and organic residue. FSS DeSludge HD is specifically formulated for use in heavily fouled industrial and commercial fire suppression systems to remove sludge and scale at temperatures from ambient through 140 degrees F. FSS DeSludge HD is non-foaming at temperatures above 80 degrees F. Fed Spec TT-C-490B, Meth VI.

A 15 gallon container will chemically treat a 7500 gallon fire sprinkler system.

A 30 gallon container will chemically treat a 15000 gallon fire sprinkler system.