- Ideas & How-Tos
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As the pool of water collects around the drain, you get a sinking feeling in your stomach. You dread another costly visit from the plumber. However, clogged drains are usually easy enough to correct on your own. An average homeowner should be able to clear most clogs in two hours or less, depending on the severity of the clog. This article explains a number of simple ways to unclog drains and how to avoid clogged drains in the future.
Many clogs collect around the strainer or stopper in the sink or bathtub. To unclog the drain, all you may need to do is remove the strainer and clean it. Here are a few tips:
One of the most trusted tools for unclogging drains, the plunger, can usually clear the blockage if it's not too far into the main drain. Follow these tips to make plunging more effective:
If a plunger won't clear the clog, you'll need to clean the trap under the sink as follows:
Make sure you have a bucket in place to catch waste water.
Check to see if there is a clean-out plug in the trap; it will be a square or hexagonal plug in the base of the bend. If so, remove the plug and push a straightened coat hanger or bottle brush around the bends of the trap to remove debris.
If the trap does not have a clean-out plug, remove the trap by loosening two couplings that hold the trap in place. If you have chrome pipe fittings, you'll need to pad the water pump pliers to protect the finish. Penetrating oil may help to loosen a stubborn trap joint.
Hold the trap over the bucket and insert a straightened coat hanger or bottle brush into the trap. Force the hanger or bottle brush around the curves and push out debris.
Wash the trap with hot, soapy water.
Before reconnecting, check the trap for wear or corrosion. The metal or plastic material may begin to thin and start to leak. If you notice wear, replace the trap. When you reassemble the trap after cleaning, you many need to reseal the threads. Use pipe joint compound or Teflon tape.
If the trap is clear and the drain still clogs, the blockage is further into the sink's drain pipe or the main drain. To clear these drains, you'll need a plumber's auger or, as it is more commonly called, a sewer snake. Use as follows:
With the trap removed, insert the snake into the sink drain line and push in until you meet the obstruction.
When the tip of the snake is against the clog, try to hook the clog by twisting the snake's handle clockwise.
When the debris is solidly hooked, twist and push the clog back and forth until you break up the clog. Flush the pipe with cold water.
Once the clog is gone, reassemble the sink's trap. When you reassemble the trap after cleaning, you need to reseal the threads. Use pipe joint compound or Teflon tape. Run water for a few minutes to make sure the clog is completely flushed and the trap is not leaking where it has been reconnected.
If the methods above fail, the next logical step is to use a chemical drain cleaner. Fast-acting chemical drain cleaners usually contain a high concentration of lye or sulfuric acid to burn through all sorts of tough clogs quickly and thoroughly.
When using a chemical drain opener, make sure to read and follow all of the directions and warnings on the bottle. After following the directions on the bottle, remember to run plenty of water to flush the chemicals out of your pipes.
If more than one sink, bathtub or toilet is clogged, you'll need to clean out the main drain line or the sewer.
To clean out the main drain line, find the clean-out plugs located on the large drain pipes. Look for these plugs on the vertical pipes in your basement or crawl space. In some houses these drains may be located in a garage or pantry closet, or there may be access to these plugs outdoors along the foundations of your house. Usually these pipes will be vertical, but occasionally a plug may be located on a horizontal pipe.
When you find a steel or plastic cap for the pipes with a square fitting at the top, remove the fitting with a wrench. Be sure to have a waste bucket in place when opening up the drain.
Use a plumber's snake to break up any clogs. Make sure to insert the auger in both directions of the pipe. You can also use a powerful stream of water from your garden hose to break up any debris.
Replace the steel cap of the drain pipe.
Tips for the Kitchen Sink
Tips for the Bathroom