In rare cases, a leaking toilet tank may also be due to a crack in the porcelain.

Find out how to identify the source of theleakand how to fix a toilet leaking from the tank.

Wait a few minutes to see if the color changes.

Overhead view of open toilet tank

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Materials needed to fix a toilet leaking from the tank

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Locating the source of the toilet tank leak

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Preparing to replace the flush valve

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Replacing the flush valve in a toilet tank

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Replacing the toilet tank gaskets

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Fully replacing the toilet tank with a new one

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