Evaluate your situation Track down the influenced drain and extent of backup Check out if several drains are affected (suggests principal line problem) Look for seen water damage or overflow Essential Do-it-yourself Actions Pour boiling h2o down drain Use plunger appropriate for sink/bathroom Try baking soda + vinegar Option Get https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/