Evaluate your situation Locate the affected drain and extent of backup Examine if several drains are affected (implies key line challenge) Hunt for noticeable h2o injury or overflow Basic Do-it-yourself Steps Pour boiling drinking water down drain Use plunger suitable for sink/rest room Try out baking soda + vinegar Alternative https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/