You bring your reusable water bottle everywhere, making it your most used piece of drinkware. For this reason, it's typically emptied and immediately refilled without being properly cleaned first. We ...

Even if you only fill your bottle with water, bacteria and mold can still grow inside — here’s how often and how thoroughly ...

Select independently determines what we cover and recommend. When you buy through our links, we may earn a commission. Learn more. We consulted various experts, including professionals in infectious ...

You keep your trusty reusable bottle filled with only clear, delicious water. Do you still need to wash it?Experts say reusable bottles get grubby no matter what liquid they're filled with, and it's ...

Reusable water bottles are a great way to stay hydrated, reduce waste and save money. But if you're not cleaning your bottle regularly, you could be drinking more than just water. A 2022 study by ...