Our kettle detergent powder contains lemon extract, disodium EDTA and sodium bicarbonate. It strongly removes stubborn scales and restores the shine of the kettle. Bring fresh breathing experience after use. Its use is simple: Pour the right amount of product into a container (1 liter of water mixed with 10-20 grams of detergent). Let it sit for 20-30 minutes and rinse it off with water without hand washing. Add hot water (60~80°C). And efficient descaling ingredients can remove stubborn scale in the kettle and restore the best performance of the kettle.