How to remove the scum without friction with a kettle with a sponge

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You can imagine life without an electric kettle-it is possible, but not in the morning when you want hot tea or cheerful coffee. However, with regular use of poor water, a scale is formed, which should be combated every 2-3 months. You only need one fruit – lemon. After boiling water for consumption will be absolutely safe, and it will be possible to repeat the procedure often, because the method of budget.

first pour water into the kettle to the “maximum” mark, bring to a boil and throw the slices of lemon.

leave the kettle with lemon for 20-30 minutes. Boil for the second time with the lemon that has been added. Without extra effort, friction or scraping.