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Plumbing Tips

Why Is It Bad to Pour Oil Down Your Drains?

By Mike Holt, NJ Master Plumber · April 12, 2024 · 2 min read · Updated April 17, 2024

4.9 from 174 Google reviews · NJ Master Plumber Lic. #36BI01345600

Close-up of a stainless steel sink drain strainer

Many do not realize the dangers of putting oil down the drain. Although you may not develop an immediate clog, fats can line your pipes over time and cause significant blockages. Fats mix with hair and soap and form formidable clogs that are impossible to remove without professional intervention. By avoiding sending grease down your drains, you could save hundreds of dollars and many headaches. Learning to avoid putting grease down the drain can help you prevent clogs and keep your plumbing lines running smoothly and effectively. We can help you determine the cause of clogs and prevent them.

Oil Causes Damage to Your Plumbing

The number one cause of sewer drain clogs is FOG (fats, oils, and grease). Not only can putting oil down the drain negatively impact your plumbing system, but it can also cause harm to your neighbors and the environment. When you send oil down the drain, it mixes with wastewater from your neighbors and the community. As it travels through the pipes, it breaks into glycerol and fatty acids and mixes with calcium. The soapy consistency of these blobs makes them challenging to remove because they can grow to enormous sizes.

Fatbergs, as the city calls them, cost thousands of dollars to remove and prevent the city from carrying out proper water treatment tasks. Preventative measures are critical for protecting everyone’s water supply.

Protect Against Oil Clogs

While it is impossible to avoid all grease, there are alternatives to sending oil down the drain. We recommend the following to our customers to help them keep their drains running smoothly:

  • Absorb excess oil with a paper towel before washing greasy pots, pans, and dishes.
  • Pour oil into a tin can and freeze it before disposing of it.
  • Save cooking oil in a metal-lidded tin for reuse.

Taking these initiatives can protect your home’s plumbing system and those of your neighbors and community. Think before you put anything down the drain, as it can cause clogs that become expensive to remove.

Seek a Professional Plumber

Plumbing Doctor, LLC is committed to helping you protect your plumbing system against nasty clogs that could risk your family and home. Do your part to protect your plumbing and neighbors by implementing the above tips. Call us for regular maintenance to clean your pipes of any residue that could lead to clogs.

We have 30 years of experience and will be there to handle the toughest clogs. Call us today to schedule your appointment right away.

Need a licensed plumber?Mike gives you a flat price before any work starts. Book by 9 a.m. for same-day service.
Mike Holt
About the author

Michael Holt

Owner and operator of Plumbing Doctor, NJ Master Plumber (Lic. #36BI01345600) and U.S. military veteran.

More about Mike

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Do this now

  1. Shut the main valve. Usually where the water line enters, near the meter.
  2. Kill power to anything wet, from the breaker panel, if you can reach it dry.
  3. Open a low faucet to drain the pipes and take pressure off the leak.
Google reviews

What neighbors say

4.9174 reviews

Mike works quickly and is transparent with pricing. He's trustworthy, reliable and brings his own shoe covers.

Naomi H.Google review★★★★★

Had backup and they came out in half hour on a Sunday and got the blockage resolved. They cleaned up after themselves. Very very professional people.

Richard F.Google review★★★★★

They tell me what is worth doing or not doing, and won't try to upcharge me. The work is always great. They are my go-to!

Hazim A.Google review★★★★★

Found my outdoor cleanout that was covered up for years and no other company could find! … They use drop cloths and clean up when they are done.

Kevin C.Google review★★★★★

Very knowledgeable, attention to detail, extremely neat and organized. We highly recommend Plumbing Doctor.

JoeGoogle review★★★★★

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