How to Clean and Sanitize Pet Food and Water Bowls Properly
- According to the Centers for Disease Control and Prevention (CDC), pet food and water bowls require regular cleaning to prevent the spread of germs and maintain health for...
- Food bowls should ideally be washed daily, particularly when feeding pets wet food.
- Leaving pet bowls unwashed creates an environment where harmful bacteria like E.
According to the Centers for Disease Control and Prevention (CDC), pet food and water bowls require regular cleaning to prevent the spread of germs and maintain health for both animals and humans. Between animal saliva, leftover food particles, and standing water, bowls gather grime quickly, often forming a slippery bacterial layer known as biofilm around the edges.
How Often to Clean Pet Bowls Daily
Food bowls should ideally be washed daily, particularly when feeding pets wet food. Water bowls also require daily cleaning to eliminate the sticky biofilm layer composed of microorganisms, bacteria, and yeast. A 2011 NSF germ study identified pet food bowls as some of the germiest items in a home, ranking behind only kitchen sponges, kitchen sinks, and toothbrush holders.
Risks of Contamination and Bacterial Growth
Leaving pet bowls unwashed creates an environment where harmful bacteria like E. coli and salmonella can multiply. Dr. Jamie Whittenburg, DVM, director of Kingsgate Animal Hospital in Lubbock, Texas, notes that these bacteria pose serious risks to the health of pets and humans alike. In addition to bacterial contamination, leftover food residue can attract insects and other pests. Dr. Kelly Hood, DVM, an in-house veterinary expert at Pet Portraits, explains that dogs drool and slop food around, creating conditions where bacteria mix with moisture and food particles to let microorganisms thrive. Unwashed bowls can cause minor stomach problems, skin issues, or more serious infections in dogs, and chronic diarrhea can sometimes resolve simply by implementing a regular bowl-washing routine.
Routine Washing Versus Weekly Sanitizing
Routine daily cleaning removes leftover food and grime using warm water and mild dish soap. Unscented soaps work best for pets with sensitive skin or noses, and cat owners must avoid disinfectants containing phenols, which are toxic to felines. Sanitizing goes a step further to kill lingering bacteria. While daily washing does not require heavy disinfectants, running dishwasher-safe bowls through a high-heat sanitizing cycle weekly helps keep them clean. Dr. Whittenburg recommends maintaining two sets of bowls so one set can run through the dishwasher while the other is in use. When hand washing, bowls can be sanitized once a week by soaking them in diluted bleach for 10 minutes followed by a thorough rinse. Stainless steel and glazed ceramic bowls are generally easier to keep clean than scratched plastic bowls, which trap bacteria in small grooves.
