Evaluate the problem Locate the influenced drain and extent of backup Check if several drains are impacted (signifies major line challenge) Look for obvious drinking water injury or overflow Standard DIY Actions Pour boiling h2o down drain Use plunger appropriate for sink/rest room Check out baking soda + vinegar Option https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/