Use Dawn Detergent to Unclog a Drain

Silver Post Medal for All Time! 390 Posts
February 1, 2011

A bottle of blue Dawn.If your kitchen sink is clogged with grease, the best thing I've ever found is Dawn Dishwashing Liquid. I plug the drain and put a huge squirt, maybe 1/2 cup, in the sink. Then I fill the sink with boiling water. Once it's full I pull the plug (use tongs or something, that water is HOT). Let it run down the drain and bingo, clean as a whistle.


If it's really bad, you might have to do it twice, but I've never had to do it more than that. I had someone put bacon grease down and it was completely blocked with a wad of grease. It only took two applications to clear and it was one of this dinky trailer sinks.

Source: From my great friend and sister, Tracy!

By Irishwitch from Aurora, CO

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September 30, 20143 found this helpful
Top Comment

I put the Dawn down the drain first, a couple of minutes before putting the water in. Then as soon as all the water is down the drain I put the plug in to keep the heat in longer. Worked great for me!

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7 Archives

ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.

October 16, 2008

How do I use Dawn dish washing liquid to unclog a tub?

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May 14, 2009

How do you unclog a drain with Dawn dish washing liquid?

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