black water holding tank leak at 25 gals???
Have removed underbelly and tested several times _ had my son add water through the toilet while I watched under the rig and at about 25 gals water dripped down from the top of the tank and tank has a...
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It's the rubber seal between the toilet and the tank.Mine just did that and the icky stuff took out the circuit board on my furnace and my 12 volt converter.
