Evaluate the specific situation Identify the influenced drain and extent of backup Examine if multiple drains are impacted (implies principal line difficulty) Seek out obvious water problems or overflow Fundamental Do-it-yourself Ways Pour boiling water down drain Use plunger suitable for sink/rest room Try baking soda + vinegar Resolution Take https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/