Your Questions › Category: Plumbing Questions › What Kinds of Liquids Can I Use to Unclog A Toilet? 0 Vote Up Vote Down Terry Ross Staff asked 3 years ago Print This Page What Kinds of Liquids Can I Use to Unclog A Toilet? Question Tags: clogged toilet, DIY, emergency plumbing, residential plumbing, toilet 1 Answers 0 Vote Up Vote Down Terry Ross Staff answered 3 years ago Print This PageLiquid Plumber and Drano are the most common household liquids for clearing up a stopped toilet. Always try a plunger first. If you do call a plumber, inform them for their safety before they start work that you have put chemicals down the drain.