Just as there is not a single thing in the world that could always remain absolutely clean, there is also not a single thing in the world that could not be washed if necessary. 19- and 20-liter bottles, when stored incorrectly for a long time, not only get dirty, they have a chance to “green” from the inside. You can wash such a bottle in one of several penny ways.
1. Use a sponge and detergent
No matter how trite it sounds, you can wash any eggplant with detergent, water and a regular dish sponge. True, first the sponge will have to be cut and a magnet inserted into it. The sponge is thrust into the bottle, after which, using the second magnet, we begin to drive the cleaning tool along all the walls.
2. Use a rag and detergent
Probably the easiest, but the most labor-intensive way in terms of the amount of physical effort applied to clean the bottle. Fill the eggplant with water, more detergent and stuff a clean rag. After that, it remains to do only one single action - to shake. We continue to the bitter end.
3. We use nettle
We tear 2-3 adult nettle plants. Using a well-sharpened knife, cut the stems with a knife. The leaves and tops of the plants are removed and thrown away. The cut stems are pushed into the bottle and filled with about 1 liter of cold water. After that, it remains to chat until victory.
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4. We use millet
You can use ordinary millet to clean a dirty eggplant. Pour in about a glass of cereal. Add 1-2 liters of cold water (in general, the less the better). Next, we begin to shake the eggplant for cleaning with an abrasive method, making circular movements. We continue to persevere until victory over dirt.
5. Using egg shells
We cook 3-4 eggs well, we rid them of the shell. Pour 1 liter of warm water into the eggplant, pour 50 grams of soda, repeat the action 5 times until there are 5 liters. Chop the eggshell into small pieces and pour into a bottle. We leave the liquid for 1.5-2 hours alone, after which we begin to rotate the bottle in a circular motion to clean it.
In continuation of the topic, read about 13 principles for using household chemicals, which will exclude typical errors that are harmful.
Source: https://novate.ru/blogs/240322/62492/