Assess the Situation Track down the influenced drain and extent of backup Check if many drains are impacted (indicates key line concern) Search for seen water problems or overflow Fundamental Do it yourself Actions Pour boiling drinking water down drain Use plunger appropriate for sink/toilet Check out baking soda + https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/