Tower ultra-concentrated BUILDCERT approved inhibitor for central heating systems. This 500ml bottle is sufficient for treating 100 Litres of water or a typical domestic heating system of up to 10 radiators. Tower Inhibitor prevents limescale build-up, system corrosion, hydrogen gassing, boiler noise and micro-biological growth. For best results the system shoud be flushed with Tower Cleanser prior to adding this inhibitor.
