Evaluate the problem Find the affected drain and extent of backup Check if various drains are impacted (indicates key line concern) Look for seen h2o hurt or overflow Basic Do-it-yourself Steps Pour boiling drinking water down drain Use plunger suitable for sink/toilet Consider baking soda + vinegar solution Take away https://www.kawatan.net/how-to-find-emergency-drain-cleaning-and-plumber-services-in-etobicoke/