Assess the Situation Identify the afflicted drain and extent of backup Examine if multiple drains are affected (indicates principal line situation) Search for noticeable water harm or overflow Standard Do it yourself Ways Pour boiling h2o down drain Use plunger suitable for sink/bathroom Test baking soda + vinegar solution Take https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/