Evaluate the problem Find the affected drain and extent of backup Examine if many drains are influenced (signifies primary line situation) Hunt for seen drinking water harm or overflow Simple DIY Techniques Pour boiling drinking water down drain Use plunger appropriate for sink/bathroom Consider baking soda + vinegar Alternative Remove https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/