The best gym water bottle for 2025 for every indoor or outdoor workout, tested and approved by a run coach No matter your workout, these are the bottles you should grab to help keep you hydrated.

We tested 15 of the top filtered water bottles, putting each one through the wringer before a final few tests in the wilderness, and these three stood out.

Other Gadgets Larq Bottle PureVis 2 Review: Drinking Water as a Video Game Isn’t as Dumb as It Sounds It’s still way too expensive and probably unnecessary, though.

How to prevent mold buildup To keep your water bottle clean, wash it every day, or at the absolute minimum, once a week. If it is dishwasher-safe, wash it on the hottest water setting.