These convenient ice ... water dispenser looks clean and is functioning normally, it's still in your best interest to check ...

a dog bowl or even your water bottle. Need a break? Play the USA TODAY Daily Crossword Puzzle. Alternatively, the black buildup in ice machines is typically mold growth. Similar to biofilms and ...

Yes, that black stuff is mold ... try soaking your bottle for 30 minutes in equal parts water and white vinegar, which is known to kill mold spores. Mixing vinegar with baking soda can also ...