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Did you know that you could have a leak in your toilet and not even know it? But there’s an easy way to find out if your toilet is operating correctly or not. It’s called a dye test and it’s very simple to perform yourself.

Step 1: Remove the toilet tank cover and set aside (preferably on the floor so it doesn’t fall)

Step 2: Take out any bowl cleaner that may be inside the tank. The dye test must be performed with clear water inside the tank and bowl.

Step 3: There are many things you can use as a dye: food coloring, instant coffee or powdered fruit juice mix. Drop in a few tablespoons until the water in the tank turns a dark color.

Step 4: Do not use the toilet for 30 minutes.

Step: 5: Check the toilet bowl. If any dye from the tank has traveled down into the bowl, you definitely have a leak.