Assess the problem Locate the afflicted drain and extent of backup Check out if multiple drains are impacted (implies principal line difficulty) Try to find obvious water injury or overflow Essential DIY Methods Pour boiling h2o down drain Use plunger appropriate for sink/toilet Consider baking soda + vinegar Alternative Get https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/