Assess the specific situation Track down the influenced drain and extent of backup Check out if several drains are afflicted (signifies most important line situation) 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 Try https://www.kawatan.net/why-you-should-never-use-baking-soda-and-vinegar-to-unclog-a-drain/