How to Clean a Drain: 6 Steps to Confronting the Horror Below

Because what’s lurking down there isn’t just clogging your pipes—it’s staring back at you.

A sink drain with water flowing down it.

You don’t think about the drain. You pour things down it. You watch water spiral into the abyss. You assume it just goes away. But it doesn’t. It collects. It waits. It builds itself into something else. A tangle of grease, hair, dead skin, soap scum, coffee grounds, food bits, toothpaste residue, things you flushed in a moment of desperation and never thought about again. A living thing made of everything you’ve ever wasted. And one day, when you’re least expecting it, it pushes back.

Water starts pooling in the sink. The shower floor turns into a shallow, greyish lake. The drain gurgles, a deep, hollow sound from the walls of your home like the pipes are trying to speak. You don’t own this house anymore. The clog does.

How to Clean a Drain: 6 Steps to Exorcising the Filth Below

1. Accept That You Are About to Face Something Awful

Before you do anything, take a breath. This will be disgusting. There is no version of this that is pleasant, no tool or chemical that will save you from the fact that you are about to confront the monster you have been feeding. If you think you can just pour some lemon-scented miracle liquid down the drain and call it a day, you are lying to yourself. The Environmental Protection Agency warns that chemical drain cleaners don’t always work, and when they don’t, they sit there, corroding your pipes, turning the clog into something even worse—a toxic, caustic mass that you’ll still have to fish out by hand.

2. The First Line of Defense: The Plunger, Your Only True Friend

You think plungers are for toilets. You’re wrong. A plunger is the first and best tool against the filth trying to crawl back up into your world. Block the overflow hole in your sink or tub—because if you don’t, the air pressure won’t build, and all you’ll be doing is angering the beast below. Press the plunger over the drain, force the seal, and start pushing. Hard. You are fighting back. Every thrust sends a shockwave down into the pipes, breaking apart the clog piece by piece. If you’re lucky, the water will suddenly swirl down like nothing ever happened. If you’re not? You need to go deeper.

3. The Hook and Pull: Reaching Into the Darkness

If the plunger fails, if the drain still gurgles and groans like something dying inside the walls, it’s time for physical extraction. Hair clogs. Food clogs. Things that have rotted together into a single, pulsating obstruction. You can buy a drain snake. You can use a wire coat hanger. You can take a plastic zip tie, cut jagged teeth into it, and turn it into a tool of pure destruction. You will shove it into the drain, twisting, feeling for resistance, and when you find it—when you hook the thing that has been haunting your pipes—you pull. And when it comes up, when the wet, tangled nightmare of human debris emerges, you will wish you had never been born.

4. The Boiling Water Purge: Burn It Out

If you’ve made it this far, your drain is either clear or the clog has retreated deeper into the abyss. It’s time to flush the remains. Boiling water. Not warm. Not hot. Boiling. The Plumbing-Heating-Cooling Contractors Association recommends flushing drains with scalding water to dissolve grease, fats, and any organic remnants still clinging to the pipes. Pour it down in stages. The first pour heats the metal. The second melts whatever’s left. The third finishes the job. If you hear cracking, popping, hissing? That’s the sound of whatever was down there dying.

5. The Baking Soda and Vinegar Deception: Science in the Name of War

If you still smell something, if the drain still gurgles like it has secrets to tell, it’s time for the classic chemical reaction. Baking soda and vinegar. The American Cleaning Institute says this isn’t just an old wives’ tale—it works, but only for maintenance, not major clogs. Dump half a cup of baking soda down the drain. Follow with vinegar. The explosion of foam expands into the crevices, eating away at the filth. Let it sit. Ten minutes. Maybe twenty. Maybe an hour if you can still smell the ghosts of past failures rising from the pipes. Then, flush with more boiling water. This is the final cleanse.

6. Prevention: Because This Will Happen Again

If you think this is the last time you’ll have to clean a drain, you are a fool. This will happen again. Hair will fall. Grease will cool. Food will slip past the garbage disposal and rot in the dark. But you can slow it down. Mesh drain covers. Routine hot water flushes. Baking soda and vinegar once a month. The International Association of Certified Home Inspectors warns that ignoring slow drains is how you wake up one day with a pipe full of sewage backing up into your sink. This was never just a one-time thing. This was a warning.

How Professionals Clean Drains

You’ve tried everything. The plunger, the snake, the boiling water, the chemical warfare. And still, the water won’t go down. At this point, the clog isn’t just a problem—it’s a foundation. It has become one with the pipes. And now, you need professionals. Plumbers use industrial drain augers, massive metal coils that burrow into the blockage, spinning, slicing, annihilating. They have high-pressure hydro jets, machines that blast 4,000 PSI streams of water through the pipes, scouring them clean from the inside out. They have cameras, long fiber-optic cables that go deep, showing you exactly how bad you let it get. If nothing works? If the clog is so deep, so solidified, so monstrous that no tool can break it? Then your pipes get cut open. You let it go too long, and the only way to fix it is to carve the problem out of the walls.

Final Thoughts

So you have cleaned the drain. The water moves freely. The pipes no longer groan like something alive. But you know this isn’t over. Hair keeps falling. Grease keeps sticking. The drain keeps swallowing. And one day, maybe tomorrow, maybe next year, you’ll smell something. You’ll hear something. You’ll see the water rising up, refusing to go down. And you’ll know. It’s happening again.