Kitchen Sink
According to research published in the Journal of Applied Microbiology, the average kitchen sink harbors about 100,000 bacteria per square centimeter, compared to the average toilet’s 100 bacteria per square centimeter.
Solution: Spray the faucet, basin, and your brush with a solution of ¼ cup of chlorine bleach and one quart of water or full-strength hydrogen peroxide to be on the safe side.