When was the last time you really cleaned your dog or cat's food bowl? That's why the American Kennel Club recommends thoroughly cleaning your dog or cat's food bowl more often than you'd think: every single day. Why You Should Clean Pet Food Bowls Every DayDid you know that a pet's food bowl is the fourth-germiest object in your home? A crusty food bowl will attract insects and feed colonies of Listeria, Salmonella, and E coli. How To Clean Pet Food BowlsThe dishwasher is the best germ-killing method for cleaning pet bowls.