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Put on gloves. Let your cleaner sit in the tank. Scrub your cleaner into the tank. Flush out the tank.
Toilets and bathrooms in general contain a lot of bacteria. Before cleaning your toilet tank, put on a pair of gloves. Rubber gloves will help protect you from bacteria and germs. If you're cleaning with bleach, gloves are vital to protect your skin. Leave your cleaner in the tank for a set amount of time. Most cleaners should be left on for 10 to 15 minutes. However, it's always a good idea to check the specific directions on your cleaner. Remember, vinegar should stay on for 12 hours before you proceed to clean the tank. Use a scrub brush, old toothbrush, or scrubby sponge to scrub the cleaner into your tank. Scrub down the sides and bottom of the tank until the toilet bowl smells fresh and you remove any obvious signs of dirt and built up grime. Clean the working parts of the tank as well, like the ball float and flapper. Once you've scrubbed the tank down, you can turn the water back on and flush the tank to rinse. If you've used bleach, add 1 gallon (3.8L) of plain, cold water to the tank and then flush it. You may want to wear goggles to protect your eyes when adding water to a tank that had bleach in it.