Evaluate the problem Track down the impacted drain and extent of backup Examine if several drains are impacted (implies key line concern) Try to find obvious drinking water harm or overflow Essential Do-it-yourself Steps Pour boiling drinking water down drain Use plunger suitable for sink/bathroom Try baking soda + vinegar https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/