Evaluate the specific situation Track down the influenced drain and extent of backup Test if various drains are influenced (signifies primary line concern) Hunt for seen water destruction or overflow Primary Do it yourself Actions Pour boiling h2o down drain Use plunger appropriate for sink/rest room Try out baking soda https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/