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leak at base of toilet

Posted on 11/28/22 at 9:32 am
Posted by lsumed
Paradise
Member since Jan 2006
12 posts
Posted on 11/28/22 at 9:32 am


Noticed this discoloration of wood at base of toilet. I think it has to be a leak from bad wax ring? Although it does not feel wet at all around the base or in the crawl space under the toilet.
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31498 posts
Posted on 11/28/22 at 9:43 am to
Change wax ring
Posted by keakar
Member since Jan 2017
30152 posts
Posted on 11/28/22 at 10:15 am to
its either wax ring or someone is peeing on the sides of toilet rather than in it
Posted by djangochained
Gardere
Member since Jul 2013
19054 posts
Posted on 11/28/22 at 10:30 am to
that looks like you may have 3-18 year old boys
Posted by couv1217
Baton Rouge, LA
Member since Sep 2007
3342 posts
Posted on 11/28/22 at 11:34 am to
Wax Ring or

How new is the toilet? I once had a brand new toilet that kept having a leak under the toilet. Multiple wax rings later we discovered a tiny crack in the toilet that kept just slowly leaking water out.
Posted by LazloHollyfeld
Steam Tunnel at UNC-G
Member since Apr 2009
1621 posts
Posted on 11/28/22 at 11:37 am to
I have the same thing happening and have changed wax rings multiple times. Any tips for locating potential cracks? I've looked but don't see any.

Posted by lsumed
Paradise
Member since Jan 2006
12 posts
Posted on 11/28/22 at 11:49 am to
toilet is quite old probably greater than 30 years. It moves a little bit when weight is shifted on/off, so could be wax ring or a small crack I suppose.

Odd that it does not feel wet on the ground or in the crawl space underneath. and there is no subfloor just floorboards house is from 1860s.
Posted by keakar
Member since Jan 2017
30152 posts
Posted on 11/28/22 at 12:04 pm to
quote:

toilet is quite old probably greater than 30 years. It moves a little bit when weight is shifted on/off


yep that will be the wax ring and it will continue to leak until you shore up the flooring so it doesnt move any more. if the toilet moves the ring will leak because its a one time pressed on seal and as soon as the toilet rocks its no longer sealed.

everytime you flush it splashes a few drops of waste water out, then it dries before the next flush
This post was edited on 11/28/22 at 12:06 pm
Posted by weadjust
Member since Aug 2012
15201 posts
Posted on 11/28/22 at 12:54 pm to
quote:

It moves a little bit when weight is shifted on/off


I have been using sani seal toilet seals on my rental properties for years. They can solve some unlevel floor/spacing leaking problems. I like that you can pull a toilet and unclog a drain without needing to buy a new seal.

Home Depot

Posted by trident
Member since Jul 2007
4766 posts
Posted on 11/28/22 at 1:55 pm to
quote:

toilet is quite old probably greater than 30 years. It moves a little bit when weight is shifted on/off, so could be wax ring or a small crack I suppose.



Secret here is get one fat wax ring and one of the smaller ones. Add them BOTH, no more leaking or wiggling. Plumbers secret
Posted by lsugrad35
Jambalaya capital of the world
Member since Feb 2007
3206 posts
Posted on 11/28/22 at 2:24 pm to
There are some good videos on youtube about how to handle wax rings if your floor isn't offset well. Also, I had some wet floor issues even after changing a wax ring and it turned out I had a drip from the tank bolt. I just had to change out the washers connecting the tank and bowl. Might want to feel around back there.
Posted by Xanthus
Member since Dec 2021
273 posts
Posted on 11/28/22 at 2:26 pm to
Wax ring likely, but check the porcelain for cracks and the flange for integrity when you pull the toilet to replace the ring. Then shim under/around the base at the floor so that the toilet doesn't rock.
Posted by jfw3535
South of Bunkie
Member since Mar 2008
4728 posts
Posted on 11/28/22 at 2:28 pm to
My wife thought we had a leak at the base of our toilet. Turns out it was just me missing the toilet when peeing in the middle of the night.
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31498 posts
Posted on 11/28/22 at 2:49 pm to
quote:

Turns out it was just me missing the toilet when peeing in the middle of the night.


Posted by TBoy
Kalamazoo
Member since Dec 2007
24024 posts
Posted on 11/28/22 at 3:34 pm to
quote:

Noticed this discoloration of wood at base of toilet. I think it has to be a leak from bad wax ring? Although it does not feel wet at all around the base or in the crawl space under the toilet.

If it is a crack in the toilet, the fill valve may kick on periodically, randomly. That would indicate a leak that is very slowly drawing water down as the toilet just sits. If it is the wax ring it won't go through the occasional random filling sound. It will only leak when flushed.
Posted by Wiseguy
Member since Mar 2020
3442 posts
Posted on 11/28/22 at 5:31 pm to
Likely wax ring or flange. I’m leaning more toward flange with the slight rocking.
Posted by Hopeful Doc
Member since Sep 2010
15058 posts
Posted on 11/28/22 at 8:16 pm to
quote:

I have been using sani seal toilet seals on my rental properties for years.


I have put two of these in in the last two years. I had to replace the flange on one because it was never properly leveled, but it definitely didn’t help the issue.
Thus, I wobble wedged it.


So far, no leaks on either of them.
Posted by TBoy
Kalamazoo
Member since Dec 2007
24024 posts
Posted on 11/29/22 at 6:27 am to
If it is a leak, the most common location would be where the tank bolts to the seat. Before changing the wax ring, put dry hands on the bolts at the bottom of the tank, where it attaches to the seat. If either are damp, that is the source, and you have to replace the rubber gasket.
Posted by zippyputt
Member since Jul 2005
5830 posts
Posted on 11/29/22 at 7:05 am to
Check the flange or drain pipe for a crack also. Be sure to wedge so it doesn’t move after installation also.
Posted by Miketheseventh
Member since Dec 2017
5895 posts
Posted on 11/29/22 at 6:01 pm to
quote:

Change wax ring

I had an old fellow come to my house that owned a septic tank cleaning company. He told me when you change your wax ring to bye two and stack them on top of each other. It’s gives a better seal for very little extra money
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