Buildup can clog the spout or mouthpiece, but even worse, mold could form in hard-to-reach areas like the threading where the ...

Gorka Olmo Storing your water bottle in the fridge between sips can be one way to slow down microbial growth (Credit: Gorka Olmo) Cleaning our ... the outside, the lid and straw, if it has one.

Cleaning our water bottles regularly and properly is the only way to be confident you are not consuming harmful bacteria alongside your ... water bottle, including the outside, the lid and straw ...