DS40 Descaler & Cleaner is a fast-acting, citric based acid cleaner which is designed to remove limescale magnetite or black sludge and other system contaminants. Ideal for use with tankless water heaters and when powerflushing hydronic systems. It can also be used to descale a heat exchanger or boiler component separately. Supplied with a liquid neutralizer product.

Rapidly removes limescale, black sludge and other deposits

Restores circulation and improves heating efficiency

Free-flowing powder for easy use with powerflushing units

Clear color change from pink to yellow when product exhausted

Compatible with all mixed metal systems, including aluminum

Convenient to use; liquid neutralizer supplied with product