1. Due to various reasons, plastic buckets are prone to form moss inside, which is unsanitary and difficult to clean. The following three methods can effectively remove the moss in the plastic bucket: 1. If it is only a simple cleaning and no special requirements, then use hot water for a while and rinse it several times to remove it. 2. If food needs to be packed (plastic barrels are generally not recommended), remove the moss with hot water, and then thoroughly disinfect it with medical alcohol. 3. Use appropriate amount of industrial banana water to remove the moss. After the banana water evaporates, wash it with hot water, disinfect with alcohol, and leave it for a while. 2. The main reasons for the formation of moss are as follows: 1. Water quality varies from place to place, and the production of moss has a lot to do with water quality. 2. It has a lot to do with the quality of plastic barrels. It is recommended to buy food-grade plastic barrels with guaranteed quality. 3. Avoid exposing plastic buckets to sunlight, because the ultraviolet rays of the sun will breed moss. 3. Try not to let the water stay in the plastic bucket for too long, forming stagnant water, and easy to breed moss.