Clogged Kitchen Double Sink | SAFE — 2025 |

Before you introduce any water or tools, clear out everything under the sink. Remove cleaning supplies, trash bags, and that old jar of pickles. Place a bucket directly under the P-trap (the curved pipe).

Under your sink, you have two drain baskets. Each has a tailpiece that connects to a "continuous waste" fitting (usually a "T" or "Y" shape). From there, water flows into the P-trap and then out to the wall. clogged kitchen double sink

Unlike a single sink, a double sink has its own plumbing physics. When one side backs up into the other, it usually means the blockage is past the "tee" fitting where the two drains connect. Before you introduce any water or tools, clear

Most people plunge incorrectly on a double sink. If you plunge one side, the air pressure just escapes up the other drain. Under your sink, you have two drain baskets

A: This usually indicates a venting issue. The air behind the water needs to escape. If the vent pipe (which goes to the roof) is clogged by leaves or a bird's nest, the air is forced back through the water in the trap, causing a gurgling sound.

We’ve all been there. You’re rinsing dishes after dinner, and suddenly, the water isn’t draining. It rises slowly... then stops. You look at the other basin, and to your horror, dirty water starts bubbling up from the other side.