Plumbing – How to clear a drain pipe clogged with dried soap

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I think we have a clog of dried soap in our pipes, past the U-bend and down the pipes from upstairs to the drain at ground level.

How do I clear them?

Best Answer

  1. Moving water, preferably hot. If you can get a small flow that doesn't back up then it will dissolve away easily.
  2. Environmentally safe degreaser/cleaner, I prefer Simple Green
  3. Baking soda and vinegar, it will clean almost any small clog. With something that dissolves easily like soap, the extra air bubbles produced will help getting it clean with less passes as well.