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 ...

And how do reusable water bottles get dirty if they're just filled ... use dish soap to get your bottle clean and employ a bottle brush to wash the straw and sipping components of your bottle ...

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.