![Photo representative of product information, but not packaging. Comes in 55 lb pail. Photo representative of product information, but not packaging. Comes in 55 lb pail.](https://cdn11.bigcommerce.com/s-st1uy1bvz1/images/stencil/500x659/products/1859/4979/62478-DS40-Descaler-Cleaner-4__50925__13173.1698863378.jpg?c=2)
FERNOX DS40 Descaler & Cleaner is a fast-acting, citric based acid cleaner designed to remove limescale magnetite or black sludge and other system contaminants
- Ideal for use when power flushing
- t 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 power flushing units or application via F&E tank or Injector (for sealed systems)
- Turns yellow when product exhausted - liquid neutralizer supplied with product
- Compatible with all mixed metal systems, including aluminum
- Convenient to use liquid neutralizer supplied with product