How to Unclog a Bathroom Sink

Posted by in Home Improvement Tips, on April 11, 2016

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Ask This Old House plumbing and heating expert Richard Trethewey reveals the best ways to unclog a backed-up bathroom sink. (See below for a shopping list, tools, and steps.)

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Shopping List for How to Unclog a Bathroom Sink:
– Hair snare
– Drain snake

Tools List for How to Unclog a Bathroom Sink:
– Open-faced wrench
– Bucket (to catch any excess water)

Steps for How to Unclog a Bathroom Sink:
1. First, check the pop-up assembly to make sure it's rising up enough at the drain line of the sink.
2. If that's not the problem, disassemble the pop-up assembly by loosening the nut on the main drainage pipe with an open-faced wrench and remove it. Be sure to use a bucket underneath to catch any excess water.
3. Any gunk may be connected to the pop-up that's released, or excess gunk in the drain can be scraped out by hand.
4. If there's a stoppage further down the drain, use the hair snare and fish it down the drain to attempt to loosen the obstruction.
5. The last resort may be a drain snake. Fish the apparatus down through the pipes and through the p-trap to attempt to loosen obstruction.

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