The presence of mold in drinking bottles can indeed occur due to humidity. SEE MORE...
Instead of smearing it with oil, this is how to remove stickers on glass bottles so they are rough and clean from glue residue
No need to wash it repeatedly, here's how to remove the crust from the bottom of a drinking bottle using 1 kitchen ingredient
Without baking soda & rice, this man has a trick to get rid of bad smells in drinking bottles using 1 kitchen ingredient
