As far as I know, boiling water is another natural and effective way to clear a clogged drain. Pour a pot of boiling water down the drain and let it sit for a few minutes. Repeat this process several times until the drain is clear. If you still can't clear the clog, I recommend contacting https://bens.plumbing/areas/wilburton-and-bel-red/drain-cleaning/ ; I've already contacted this company.