Scavenger fish can clean the fish tank.
Speaking of whether scavenger fish can clean the fish tank, in fact, scavenger fish can clean the fish tank. It will remove the residual feed, fish manure and other substances in the fish tank, and scavenger fish will help to improve the water quality.
If scavenger fish is fed, or people disturb him too much, then scavenger fish will not clean the fish tank and become lazy. It is suggested to feed scavenger fish once every three days and let scavenger fish clean the fish tank.
Scavenger fish doesn't clean the fish tank, but it will change the clean water quality and need to stop feeding scavenger fish. He also needs to cover the fish tank with black cloth and wait for half a month before feeding, prompting scavenger fish to clean the fish tank.