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Remove whatever is obstructing the drain. -- First, get a bottle of one of the liquid drain openers from any drugstore chain. Follow the directions on the label and see what happens. If the first application doesn't open the drain, do it a second time. If that doesn't do it, then ... -- Assume the obstruction is a solid object stuck in the drain pipe. Look down under the sink for a section of pipe that goes down--up--down. That's the 'trap'; things that fall down the drain are supposed to stay in the trap. There's a big pipe-nut above and below the trap. Loosen both, and drop the trap section out of the pipe. Water and gunk dribble out on you and on the floor. Clean out the trap, re-assemble everything, and see if anything changed. If the drain is still not running, then the clog is farther down, past the trap. There's one more thing you can do if you still want to work on it yourself: -- Borrow or buy a so-called "snake". It's a long, flexible metal thing that can be run down into the drain pipe and rotated, to dig out whatever is stuck way down in the pipe. If you start it at the sink drain, it probably won't be able to make the bends past the trap, so you should open the trap again and feed the snake into the straight pipe below the trap. -- If none of this does the job, it's time to call a plumber.

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Q: How can you increase the water flow in a slow sink drain?
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Can a basement drain be tied into a sink drain?

Heck no as the sink is higher then the basement drain and water does NOT flow up hill BUT it does seek its own level BUT you can connect a sink drain to a basement drain if you properly trap and vent the line


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The drains of the two are connected, and then feed to a common drain. If the drain line is blocked below the sinks, water cannot flow out the drain, so will flow from a full sink to an empty. Look under the sink, and you will see the drain line arrangement. Get the clog fixed, and it will stop doing that.


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Likely a slight clog in your sink trap or drain pipe.


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Why is water coming up on the other side of my sink when i drain my dish water?

Because both sides of your sink are connected to a common drain line, and the common drain line is slow.


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The disposal is clogged or that side of the sink is.


Why does a bathroom sink drain get stopped up?

Most times a bath / lavatory sink will stop water flow because of hair that accumulates in the trap of the drain ,The trap is the upside"S"underneath the sink ...Try using liquid plumber foaming pipe snake that you can buy at your favorite grocery store.


Why does water flow down a drain the opposite direction in the Southern hemisphere?

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How do you use the bottom drain in an in ground pool?

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