Clear the trap: If the above methods do not work, the next step would be to remove the P-trap under the sink. Place a bucket underneath the area to catch water then unscrew the two threaded caps that hold the curved section of the pipe in place. Nowadays, most kitchen drains are made of white PVC pipe with connections that can be unscrewed by hand.
Most large cities today pipe solid wastes to sewage treatment plants in order to separate and partially purify the water, before emptying into streams or other bodies of water. For potable water use, galvanized iron piping was commonplace in the United States from the late 1800s until around 1960. After that period, copper piping took over, first soft copper with flared fittings, then with rigid copper tubing utilizing soldered fittings.
At Oliver, our expert plumbing staff is ready to handle all of your plumbing needs. Whether you have a leaky faucet or water heater, a toilet repair, or want to replace your entire bath or shower, our plumbing and water heater services are fast, reliable, and available 24 hours a day. The following are just some of the areas in which we specialize:

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