First prepare some soot cleaner, a small shovel, steel wire ball, the cleaner sprayed in the dirt, the dirt will be soaked to put a little while, and then use a small shovel to remove the dirt, and then wipe with a coarse cloth once, and finally rinsed with water, the bottom of the pan is bright as the first time. (This method is only applicable to iron pot).

Or use lemon peel, orange peel or apple peel to add some water to boil, and then put the pot into the water to soak for a while, with a coarse cloth gently wipe test can be bright and clean.

Sprinkle salted flour or baking soda on the bottom of the pot, then soak the pot in warm water for a while, then wipe it with a rough cloth, and finally rinse it with water.

Or if you don't have any of these ingredients, the easiest way to remove the black scale is to use washing powder or soap.

The following methods will also work:

Use baking soda to remove pot scale. If the use of pots and pans will inevitably be due to fumes and other circumstances and make the bottom of the pot becomes very black, there are a lot of black dirt, this time you can use baking soda, and then add a little water, and then use a steel wire ball to wipe, it will be very easy to get rid of the black dirt, very clean and tidy.

Use charcoal. If you want to make the bottom of the pot cleaner, using charcoal is a very good way, so you can use charcoal to clean, directly use charcoal to scrub, and then rinse with water, which can make the bottom of the pot become a little cleaner.

Cleaning with alcohol. Alcohol is also a good cleaner, can play the role of sterilization, so use alcohol to clean the bottom of the pot is very good, can make the bottom of the pot new, very clean. You can soak it for some time in advance when cleaning, the effect will be better.

Use specialized cleaners. There are also some cleaners on the market made for the black dirt on the bottom of the pot, which can make the bottom of the pot a little cleaner, so you can use a specialized cleaner, which can make the bottom of the pot a little cleaner, very good, with good results.