How Can I Determine If I Have A Slow Concrete Slab Leak? - Plumbing - DIY Home Improvement | DIYChatroom

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Old 08-22-2012, 08:18 AM   #1
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How can I determine if I have a slow concrete slab leak?

I'm in Florida on a concrete slab and am in the process of a bathroom remodel. When I removed the toilet and the tile, I noticed it looked slightly damp around the flange, with a few micro roots growing up around the drain pvc, trying to reach through from underneath. I'm hoping this was just due to a bad wax seal at the flange from 16 years of use. Some of the water might have been from the fact that when I removed the toilet, a lot of water splashed on the floor as well. I put sheets of paper right on the surface of the concrete to see if there was any moisture after a few days on the paper and there was none.

Is this a correct assumption?

This morning, I turned off the icemaker and right before we left, I took a picture of the water meter reading. I'm thinking that if there was a slow leak somewhere, that this reading will be different when I get home from work tonight. I keep thinking that I may have a real slow drip drip leak somewhere. I guess i'm overly paranoid, but I want to be sure everything is right before I lay new tile.

Is **this** a good test?
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