Evaluate the problem Track down the influenced drain and extent of backup Examine if various drains are afflicted (suggests major line situation) Seek out noticeable h2o problems or overflow Standard DIY Ways Pour boiling drinking water down drain Use plunger suitable for sink/rest room Attempt baking soda + vinegar Option https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/