Clogged Drain? January 25, 2011 To clear a clogged or slow drain put one cup of baking soda down your drain and then follow that with one cup of vinegar. Let that bubble for about 5 minutes and flush with hot water. Quick and easy, that’s how we like it! Posted in Just for Fun, Miscellaneous, Real Estate and tagged clogged drain, slow drain, unclog a drain