Evaluate your situation Track down the impacted drain and extent of backup Examine if numerous drains are afflicted (suggests principal line problem) Look for seen drinking water damage or overflow Primary Do-it-yourself Ways Pour boiling drinking water down drain Use plunger suitable for sink/toilet Check out baking soda + vinegar https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/