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 ...

[Waldemar Sha] has answered that question with his excellent brush made from scrap wood and plastic bottle rope. Turning seven 1-litre bottles into curly bristle fodder was easy enough, but they ...

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.