Assess your situation Identify the influenced drain and extent of backup Examine if several drains are affected (signifies primary line difficulty) Hunt for visible water problems or overflow Simple Do-it-yourself Ways Pour boiling water down drain Use plunger appropriate for sink/bathroom Consider baking soda + vinegar Option Remove and thoroughly https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/