Evaluate the problem Identify the afflicted drain and extent of backup Check if multiple drains are influenced (signifies principal line problem) Search for obvious water destruction or overflow Standard DIY Techniques Pour boiling water down drain Use plunger appropriate for sink/rest room Attempt baking soda + vinegar Alternative Take away https://www.kawatan.net/why-you-should-never-use-baking-soda-and-vinegar-to-unclog-a-drain/