Pexels/www.kaboompics.com Stop pouring money down the drain. Here's how to unclog a bathroom sink using tools you already own-no plumber needed, no harsh chemicals. May 3, 2026 AceShowbiz - You brush your teeth, spit, watch the water swirl-and it just sits there. Rising. Creeping toward the rim. That familiar panic hits as you realize your bathroom sink is clogged again. Before you reach for that bottle of Drano under the cabinet (please don't), know this: most bathroom sink clogs are caused by one thing, and you can fix it in under 15 minutes with stuff you already own.