Dried out p-traps, biofilm buildup and sewer line complications can all emit unpleasant ... culprits of offensive drain smells is a dry p-trap. The p-trap holds water in the U-shaped bend of ...

Before you can stop a leak in your kitchen sink plumbing ... especially in the trap. If you can't find any leaks in the drain system, check the water supply lines that serve the faucet.