The Fernox Express Inhibitor Test is available from all major merchants and online plumbing retailers.
How to prevent corrosion?
Algae in feed and expansion cisterns Leathery skins or films of algae on the surface of expansion cisterns in open vented systems are caused by fungal mould growths. It occurs when the expansion cistern is not properly covered causing dust, insects and spores to be able to enter the water. Algae in feed and expansion cisterns Underfloor heating systems are



















