Assess the Situation Locate the affected drain and extent of backup Verify if many drains are impacted (indicates main line difficulty) Hunt for visible drinking water hurt or overflow Fundamental Do-it-yourself Measures Pour boiling h2o down drain Use plunger suitable for sink/toilet Try out baking soda + vinegar Option Eliminate https://www.kawatan.net/why-you-should-never-use-baking-soda-and-vinegar-to-unclog-a-drain/