Disassemble and clean the water bottle, as noted above, with hot, soapy water. Rinse well. Dilute 2 teaspoons regular household bleach in 1 gallon of water. Don't use scented or thickened bleach ...
Scrub salt over the bottle and place it in a tub filled with water and a few drops of lemon juice. Allow it to soak for a while before rinsing. Tamarind contains citric acid, making it great for ...