Trident Central Heating Cleaner Powerful Descaler & Corrosion Remover Clears Sludge, Flux Debris for Peak Efficiency Extended System Life 500ml

T300 Central Heating Cleanser effectively eliminates installation debris, sludge, flux residues, and oils from your central heating system. It passivates the metal surfaces, while preventing pinhole corrosion in radiators. One 500ml bottle is all you need to get the job done. Simply add to the system at its first filling, and circulate at normal temperatures for 2 (at normal operating temperatures) or 24 hours (using cold water). No powerflush machine required. How to use Open systems should be closed via F&E cistern (adequate draining from low point is recommended to ensure that all the T300 enters the circulating part of the system). Sealed systems : T300 should be injected into the filling loop or other access point. If the system is empty, pour T300 into any convenient point prior to filling. Cleaning Circulate T300, with all the valves open, for at least an hour after central heating has maintained working temperature but can be left in for several days. Flush the system and then