Removing black mold from water bottle caps can be carried out with a couple of easy measures. 1st, fill the bottle with a gentle bleach Answer. Put on a pair of rubber gloves and scrub the caps with an outdated toothbrush dipped in the answer. There is also various filtration https://amazon-alkaline-water-fil23322.weblogco.com/18543567/everything-about-body-ph-level-test