Assess your situation Locate the affected drain and extent of backup Check if many drains are affected (indicates principal line challenge) Search for visible h2o problems or overflow Primary DIY Steps Pour boiling drinking water down drain Use plunger appropriate for sink/rest room Attempt baking soda + vinegar solution Take https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/