A toilet brush. A toilet brush is useful.

An old toothbrush. An old toothbrush is useful.

Rubber gloves. Rubber gloves protect your hands.

Step 2: Turn Off the Water

Locate the shut-off valve. It’s usually on the wall.

Turn the valve clockwise. Turn it until it stops.

Flush the toilet. This will drain the tank.

Step 3: Clean the Tank

Pour vinegar into the tank. Pour about 2 cups of vinegar.

Let it sit for 30 minutes. Let the vinegar sit.

Scrub the tank. Scrub the tank with a brush.

Use a toothbrush for tight spots. Use a toothbrush for tight spots.

Step 4: Flush the Tank

Turn the water back on. Turn the valve counterclockwise.

Flush the toilet. This will rinse the tank.

Repeat if necessary. Repeat if necessary.

How to Prevent Build-Up

Clean the tank regularly. Clean the tank every few months.

Use a water softener. A water softener can reduce mineral deposits.

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