Lemon slice cleaning scrub cup: You can use fresh lemon slices to squeeze out lemon juice, and then scrub with a sponge brush. Because the dirt is alkaline, there will be a certain reaction to the acid, the dirt will obediously come down, and then rinse with water, so that you can clean it up, which is a very effective and simple way. Oranges can also achieve the same effect.
Salt cleaning scrub cup: everyone will have salt in the home, put the scrub cup in salt water for 10 minutes, and then dry with a cloth, so that you can clean it up, but you need to work hard when wiping, if you do not want to wipe, the scrub cup in salt water for a few hours, these dirt will fall off by itself.