How To Clean A Water Cooler With Hydrogen Peroxide. To clean a hot water cooler: After the cooler is assembled, pour a solution of hydrogen peroxide or chlorine into the reservoir and let the solution stand for at least 10 minutes to allow enough contact time to kill any bacteria.
To one gallon of water, add in the baking soda, dish washing liquid, and peroxide. Drain out the water and rinse the reservoir well before you use the cooler. Do not apply hydrogen peroxide at the same time as other cleaning products or layer it with other household ingredients.
Drain out the water and rinse the reservoir well before you use the cooler.
Help canker sores heal by swishing a mixture of 50/50 water and hydrogen peroxide. Available online, cheep and effective. Add ¼ cup of 3% hydrogen peroxide per 1 gallon (4.5 l) of clean water and pour into reservoir. Reduces scale, kills germs and bacteria, smells fresh and clean.