How To Clean A Water Cooler Without Bleach. Then, mix 1 tablespoon of bleach into a gallon of water, and fill the inner reservoir of the cooler. It is nearly impossible to avoid naturally occurring copper tarnishing (oxidation) as the oxidation will reoccur the moment the copper is cleaned of the all oxides.
If you prefer to use vinegar to clean your water cooler, use plain, white vinegar. It's a good idea to give your cooler a good cleaning in between uses and also to take a few extra steps to. If there are any removable parts in the water cooler, remove them and clean them separately by using a mild detergent solution or bleach solution (made with bleach and water in a 2:1 ratio).
Repeat the process if necessary.
Drain out the water and rinse the reservoir well before you use the cooler. It’s important to never clean the. Mix 1 cup of distilled white vinegar with 3 cups of hot water and pour this into the reservoir of the cooler. Cleaning a bottled water cooler is really pretty easy.