1. If the above is just some small dust or something, just add the cleaning agent inside the warm water and gently brush the barrel with a soft brush, which will be clean.
2, if there is a lot of rust on it, buy a bottle of white vinegar, clean with white vinegar, there will be unexpected surprises.
3, for those difficult to clean the stains, if you are afraid of its impact on the beauty, you can put them in the kitchen as a domestic trash can also be good.
Therefore, no matter which kind of application is used for plastic drums, we must learn to clean and maintain them during use, so that we can use them more cost-effectively and bring a lot of convenience.