Evaluate the specific situation Locate the influenced drain and extent of backup Check out if numerous drains are influenced (indicates major line issue) Hunt for visible drinking water destruction or overflow Standard Do it yourself Actions Pour boiling drinking water down drain Use plunger suitable for sink/toilet Try out baking https://www.kawatan.net/why-you-should-never-use-baking-soda-and-vinegar-to-unclog-a-drain/