Kilrock Mega-K Multi-Purpose Descaler 1 Litre (12 Doses) - Limescale Descaling for Kettles, Shower Heads & Coffee Machines - Biodegradable and Phosphate Free Kilrock Mega-K Multi-Purpose Descaler 1 Litre (12 Doses) - Limescale Descaling for Kettles, Shower Heads & Coffee Machines - Biodegradable and Phosphate Free