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How to clean a mouse cage
Rinse your mouse's food bowl with soap and water.
Once per day, take your mouse's food bowl and run it under a stream of hot water. Then, squirt a few drops of antibacterial soap onto a scrubbing brush and use it to clean the bowl thoroughly.
Once you're done, dry the bowl off with a clean towel. Make sure the bowl is completely dry and free of soap before filling it up with food.