Evaluate the specific situation Locate the influenced drain and extent of backup Examine if various drains are impacted (suggests primary line challenge) Search for seen h2o harm or overflow Primary Do it yourself Measures Pour boiling drinking water down drain Use plunger suitable for sink/rest room Attempt baking soda + https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/