How dirty can a reusable bottle get if it’s ... To deep clean a water bottle, you’ll need hot water, baking soda, and a bottle brush. For mold, smells, or stains, you’ll also need distilled ...

If the inside is still a bit dirty, add a handful of raw white rice ... give it a good shake, then use a bottle brush or bottle mop to clean the inside. (If the bottle has a label on it, oxygen ...

Unlike your dirty dishes after dinner ... Scrub the inside of the bottle and smaller pieces, like lids or straws, with a bottle brush. Thoroughly rinse all the pieces and dry.