For kitchen, bath and toilet. Removes stubborn hard water deposits from fittings, tiles, washbasins, toilets Descales dishwashers, washing machines, coffeemakers and water boilers No fragrance, without essential oils 100% biodegradable Citric acid being of food-grade quality it is better indicated than other acids for multi-purpose descaling in kitchen and sanitary areas, thanks to its unobtrusive odour and in virtue of its gentle effect on metal and plastics in kitchen and sanitary areas. Ranges of application The Decalcifier is to be used efficiently wherever heavy limescale deposit is encountered on fittings, tiles, toilets, cookware, coffee makers, washing machines, etc. Use undiluted On fittings, tiles, toilets - where the Decalcifier cannot be heated - allow it to act for a few minutes, depending on the thickness of the limescale, then thoroughly rinse off with clear water. Use diluted On cookware and for decalcifying machines - where the acid can be heated and therefore is more effective. Kettles Add approx. 100 ml (3.5 fl oz US) of Decalcifier to 0.5 litre (17 fl oz US) of water, heat up to approx. 60 °C (140 °F) , allow it to act for 20-30 minutes, then rinse off thoroughly. Coffeemakers Fill 200 ml (7 fl oz US) of Decalcifier and 800 ml (27 fl oz US) of water into the water container and descale according to the manufacturer\'s instructions. Afterwards run fresh water until the water is clear. 4.5 kg (10 lb) washing machine Add 1 litre (34 fl oz US) of Decalcifier to the main washing cycle at 60 °C (140 °F) without previous loading and have the machine run one cycle. Afterwards remove the residues from the fluff sieve / filter of your washing machine. Dishwasher Add 1 litre (34 fl oz US) of Decalcifier to the main washing cycle of the longest programme (once the pre-washing cycle is finished!) - with or without dishes. Let the programme run until the end.