There are a couple ways to easily stop small leaks in threaded fittings on both drain and water pipes.
Plastic water pipe fittings leaking.
A permanent repair usually.
Misalignment will cause a leak.
These connections are quick and permanent as the plastic parts are chemically fused together with solvent cement.
If the fitting leaks after you turn on the water try tightening the nut an additional one quarter turn.
Find the exact source of the leak because pipe leaks in the middle of a straight run might use a quick fix method that is different from what is needed near a pipe fitting.
Pvc pipes and joint fittings are typically glued together with pvc solvent glue.
Leaking pipes and fittings can present hazards in the home.
It s easier to locate the leak if you still have water or fluid running through it.
This usually stops the leak.
Turn off the supply of fluid to the pvc pipe via the shut off valve if the pvc pipe is a supply line.
In this video home renovation brothers dave and rich show you how to repair a leak in a pvc pipe.
Also make sure the pipe or tube goes straight into the fitting.
Once the water supply is shut off decide how to fix a leaky pipe temporarily to prevent damage until a more permanent repair can be made.
Plastic and metal plumbing pipes often have threaded fittings and if installed improperly they can leak small amounts of water through the threads.
The bad news is that if you get a leak in a pvc joint or pipe you can t separate the joints to replace the leaky parts.