And if you have kids, they may be sharing water bottles, which exacerbates all of this. In other words: Life is dirty, and your water bottle is right in the middle of it. The short answer ...

A 2017 study led by researchers at Purdue University tested 90 reusable water bottles and found that most were crawling with ...

What horrors grow within? Credit: Eyeem / Getty Images It takes a lot of grime for a reusable water bottle to look dirty. After all, it's usually just water in there. Bad news, though: If you're ...

Parker noted that the inside of the bottle never developed a musty smell, nor did it look grimy or dirty throughout the testing period. The water remained perfectly cold overnight, and the long ...

Reusable bottles do however, need some care and attention, and you may have watched some TikToks recently which show just how dirty some can get… So, does your water bottle need a good clean?

Dirty baths, discarded clothes, contaminated baby bottles and buckets of brown water are among the experiences outlined by ...