Evaluate the specific situation Track down the impacted drain and extent of backup Examine if multiple drains are influenced (signifies most important line challenge) Seek out visible drinking water damage or overflow Primary DIY Ways Pour boiling water down drain Use plunger suitable for sink/toilet Consider baking soda + vinegar https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/