Here is the best part: you do not need a hazmat suit or a chemistry degree. You need about twenty minutes, a soft sponge, and some white vinegar. Yes, the stuff your grandma used for pickles.
Step 1: Unplug and Empty the Beast
First, unplug the cooler. Doing this while it’s running is a one-way ticket to a bad day. Next, take off the big water jug and set it aside. Grab a bowl or a big pot because you are about to drain the hot and cold taps.
Let all the water run out. Don't panic when it gurgles—that’s just the cooler saying “thank you.” You might need to use the little red or blue safety button on the taps to get the last drops out.
Brio Self Cleaning Bottom Loading Water Cooler Water Dispenser - YouTube
Step 2: The Vinegar Miracle (And a Spoonful of Baking Soda)
Mix about a gallon of water with one cup of white vinegar. Pour this solution directly into the top reservoir (the empty hole where the jug usually sits). This mixture is the secret sauce. It kills germs without the harsh chemicals.
Now, here is where the magic happens. Sprinkle one tablespoon of baking soda into the vinegar water. It will fizz. It looks like a volcano science project, and yes, it is deeply satisfying. Let that fizzy mixture sit for 15 minutes.
While you wait, take a clean, soft cloth and wipe down the outside of the cooler. Clean the drip tray (that little silver grate where cups drip). It catches spills, but it also catches dust bunnies. Give it a scrub with warm soapy water.
Step 3: The Rinse That Saves the Day
After 15 minutes, open the hot water tap first. Let all that vinegary water drain out into a bucket. Then do the cold tap. You will smell a faint vinegar scent. That is normal. It means it’s working.
Now, fill the reservoir again with plain, clean tap water. Let it drain through. Do this three or four times. You need to flush out the vinegar smell completely. It’s like rinsing your shampoo out of your hair—you have to be thorough.
If you are still smelling pickles, run one more flush. Your water should taste like water, not a salad dressing.
How to clean Avalon water dispenser bottom loading - YouTube
Step 4: The Grand Reopening
Once the reservoir is empty and flushed, wipe the inside of the cooler hole with a clean, dry cloth. Pop your big heavy water jug back on. Wait two minutes for the water to flow down.
Pour a cup of water. Taste it. If it tastes fresh and crisp, you won. If it tastes like chlorine (from the tap water), do one more flush. Once it’s perfect, plug the cooler back in.
