For particularly stubborn spots of gunk inside bottles, try using a wire hanger and a paper towel like I do in my trick for cleaning inside the glass on an oven door. Straighten the hanger ...

Wondering how often you should wash your water bottle? Follow these expert tips on the best cleaning practices to keep your ...

In a perfect world, everyone would wash their water bottle after ... than a material like stainless steel or glass," Ek says. How to Clean Your Water Bottle If the mention of mold has you running ...