Sink Drain Cleaning in Houston

A single slow sink is usually blocked within a few feet of the fixture. Kitchen lines clog with grease and food. Bathroom sinks clog with hair and soap at the stopper. Both are routine to clear once someone opens the line.

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Close view of a stainless kitchen sink drain

Kitchen sinks

Grease is the real cause in most kitchen clogs. It goes down warm as a liquid, cools on the pipe wall, and then catches everything that follows. Coffee grounds, rice, pasta and fibrous scraps do the rest. A garbage disposal grinds food finer, it does not make grease go away.

Both bowls slow: blockage past the tee, further down the line

One bowl slow with a disposal: check the disposal and the trap arm

Water backs up into the other bowl when the disposal runs: blockage downstream

Standing water that drains slowly overnight: partial blockage, not yet full

Garbage disposal repair

Bathroom sinks

Most bathroom sink clogs are at the stopper linkage, a few inches down. Pulling the pop up assembly out and cleaning it fixes a lot of them. If it is still slow after that, the clog is in the trap or the trap arm.

What to try, and what to avoid

Plunge with the overflow or the other bowl blocked off so pressure goes down the line

Remove and clean the stopper assembly on a bathroom sink

Pull the trap with a bucket underneath, which solves many kitchen clogs outright

Skip chemical drain openers. They sit in the line, rarely clear a full blockage, and create a hazard for whoever opens the pipe next.

Do not keep running the disposal against standing water

When it is not the sink

If other fixtures are also slow, if the sink gurgles when the washer drains, or if this line clogs every few weeks, the problem is downstream rather than at the fixture.

Drain cleaning Sewer and drain plumbing

Questions people ask us

Will boiling water clear a kitchen clog?

Hot water can soften fresh grease and help a slow drain, and it is worth trying on a line that is sluggish rather than blocked. It will not clear an established blockage, and boiling water is not a good idea on older plastic connections.

Is a drain cleared for good once it is cabled?

For a one time clog at a fixture, usually yes. If the same sink clogs repeatedly, the pipe wall is still coated or the line has a low spot, and continuing to cable it every few months is more expensive than finding out why.

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