Assess the specific situation Identify the influenced drain and extent of backup Check if multiple drains are influenced (indicates most important line challenge) Hunt for visible drinking water hurt or overflow Standard Do it yourself Measures Pour boiling drinking water down drain Use plunger suitable for sink/rest room Try baking https://www.kawatan.net/why-you-should-never-use-baking-soda-and-vinegar-to-unclog-a-drain/