The bowl of a sink has a drain at the bottom
and an overflow drain near the high-water mark. In the drain
is the strainer. The strainer blocks large objects from going
down the drain. However, small objects and especially hair
can end up in the drain. The strainer tends to snag hair and
is often the cause of a slow or gurgling drain. Taking out
the strainer and removing the accumulation of hair will resolve
many slow or clogged drains. In some sinks the strainer simply
lifts out or lifts out with a twist. On other sinks the strainer
is held in place by the pivot rod, under the sink. Reach under
the sink, find the long rod that connects to the strainer
and remove it. Lift out the strainer and clean off the hair
and soap build-up.
While we rarely endorse a product, we have found
one to be indispensable, the Zip-It!. It is a long plastic
strip with barbs projecting off from the sides. You slip the
Zip-It into the drain as far as it will reach, twist it a
few times and pull it out. It will snag the hair in the drain
and pull it right out. While you have the strainer out, or
if cleaning the strainer didn't solve the problem, this is
the time to try the Zip-It.
Now if you still have a clogged sink, you might be thinking
of using chemicals - Don't. Some chemicals can damage pipes,
the environment or you if you get splashed. If you have to work
on a drain after a chemical has been added, it makes the work
harder and more hazardous. Additionally, most chemical drain
cleaners don't work that well. Running hot water through clear
drains is the best way to keep them clear. Skip the chemicals.
You can use a plunger, an auger or a blow bag to grind or push
out a stubborn clog. We like the effectiveness of blow bags,
but lets start with the old-standby, the plunger. For a sink,
use a standard model without a flange, like the one below.
When plunging, there must be some water
in the fixture, so add water if necessary. Tilt the plunger
cup to burp the air as it is submerged in the water. Place
the plunger over the drain and completely cover the drain
opening. Sinks have an overflow
drain. They must be securely covered or the plunger will
force the water out through the overflow. Seal the overflow
drain opening with a towel. With
the plunger completely under water, press and pull it
rapidly for 15-20 seconds. If
the water drains out of the fixture, add some more water
and plunge again. If the water
seems to be properly draining, go ahead and run some
water to test the drain.
An drain auger, a smaller version of a drain
snake, can be inserted down the sink drain or you can remove
the P-trap fitting beneath the sink and insert it there. The
advantage is that if you are driving the auger deep into the
drain line, there will be less friction than if it has to weave
its way through the trap before reaching the drain line. To
remove the P-trap, simply unscrew the two collars at either
end of the "U" shaped pipe. Insert the drain snake as far as
you can, then turn the set screw tight to hold the auger cable
and crank the handle (or use a power drill on some models).
As you crank the handle the auger tip grinds at the clog. Continue
to insert to auger cable as far as it will go. If the auger
gets stuck, reverse the direction of cranking and pull gently
on the cable to extract a short length. Then resume forward
action.
The last method, our favorite because it has
worked so well for us in the past, is the blow bag. Imagine
a heavy duty balloon that screws onto the end of a hose. Imagine
the balloon has holes on the other end and that it is small
enough to fit into a pipe. Slide the blow bag as far as you
can, into the pipe under the sink and turn on the hose. The
first thing the bag does is inflate with water until it is
securely wedged in the pipe. Now water starts spurting out
the other end to blast away at the clog. Leave it on for a
while and the force of the water will push the clog all the
way out to the main sewer line. To remove it, turn off the
water, wait a few seconds for it to deflate and then gently
pull it out from the drain. Reconnect the section of pipe
removed earlier and you should have a clear running drain.
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