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Question DetailsAsked on 9/21/2011

How to stop a leaky toliet? I've tried everything but it still has a slow leak in the bowl.

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1 Answer


Where, exactly, is it leaking? If it's at the junction between tank and bowl, there is a rubber gasket. Over time, it will deteriorate. It's an easy fix. A $20 kit will provide you with everything you need, no matter where it's leaking. Probably you can get just the tank/bowl gasket for a few dollars. If it's leaking at the bowl/floor conncetion you may have several, possibly serious, problems.
First; Is the flooring and underlayment (subfloor) solid? If it's been leaking a long time, the floor may have rotted out under the toilet. Test this by attempting, gently, to tighten the bowl to floor nuts. They're usually (almost every) on the sides of the bowl at the floor level. If the nut spins, or is rusted tight, suspect the floor.
Next; consider buying an updated, low flow, toilet. If it's serious enough to need a total rebuild ($20 kit), you might just get a new one. If money is tight, remove, dismantle, clean, and reassemble the existing unit. If the floor is sound, level, and clean, go ahead with the re-install.
Tip; buy either a large wax (Hootie Ring) gasket, or TWO of the regular ones. Warm the first one (110 degrees will do) and gently form it to the underside of the refurbished bowl. Warm the second one, if necessary, and place it plastic ring on the floor. Press the two together. Being wax, and warm, they should flow together forming a very complete seal. You may have to adjust the fit with a small knife (shave off extra) and a heat gun (hair dryer will do) to get it so it fits perfectly. Draw down the nuts to pull the bowl assembly tight to the floor. Trim off any excess wax that squeezes out.
Babtise it with clean water once or twice, just to make sure it works. YOU MUST have a sold stable floor under the toilet or it will just start leaking again.

That's how I did it anyway.

Answered 8 years ago by Richard

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