Aqua Safe Descaler (25L) is a potable water system liquid biodegradeable descaler safe for steel, stainless steel, aluminium, iron, brass, copper, plastic and rubber.
Certified in the USA by NSF to NSF/ANSI standard 60

As well as being great for boiler descaling it's also deal for water heat exchangers, tankless hot water heaters, coolers, pumps, compressors, condensors, extruders, molds, cooling towers, furnaces, water piping systems and other water side heat exchange surfaces.

Aqua Safe Descaler; The World's Safest Biodegradeable Descaler