Assess the problem Locate the afflicted drain and extent of backup Verify if multiple drains are affected (suggests main line problem) Seek out noticeable water hurt or overflow Basic Do it yourself Ways Pour boiling h2o down drain Use plunger appropriate for sink/rest room Consider baking soda + vinegar Resolution https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/