Boiling Water for Clogs - How to Unclog a Drain - Bob Vila
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Make It Hot
Plain hot water is perhaps the unsung hero of clog busting. Typical sink and tub clogs consist of grease, hair, and food residue. Running a couple of quarts of boiling water down the drain will often dissolve much of the sticky “gunk” that is causing the clog. One-half cup of baking soda followed by a full cup of vinegar is also an effective remedy that you can use on a regular basis.