I have a small drip coming from the 1 1/2" black pvc pipe from the gray water tank. Not sure where its coming from yet, could be the pipe or a joint? If I can find where the leak is coming from is t...
If I don't have repair tape handy for a low pressure leak, I've also had good luck using Eternabond on dry pipe. If the area is exposed to weather or road hazards, a couple of layers of Gorilla tape or similar over the Eternabond will provide protection. If it's a coupling or worn spot that's leaking, a Fernco rubber coupling can be used as a permanent fix.