How to unclog a drain without chemicals.
Bathroom sinks, tubs and showers clog with hair, soap scum and gunk — not grease. You don't need a caustic bottle to fix that. Work these steps in order, stop as soon as the water runs, and we'll tell you exactly when it's time to put the tools down.
What you'll need
All cheap, all chemical-free:
- Plastic drain zip tool — the barbed strip, a few dollars at any hardware store
- Cup plunger — flat-bottom, for sinks and tubs
- Rag or duct tape — to seal the overflow hole
- Gloves & a flashlight — this part is gross
- Optional: hand auger — a 1/4-inch drum snake, 15–25 ft
The steps, in order.
Each step goes a little deeper into the pipe. Most bathroom clogs give up by step 3.
Figure out what's clogged
Before you grab a tool, run water in the other fixtures. If only one sink or tub is slow, the clog is close — in the stopper, the trap, or the first few feet of pipe. That's a DIY job. If the toilet gurgles when the tub drains, or two or more fixtures back up at once, the problem is in the main line. Plunging a sink won't touch that — skip ahead to when to call.
Pull the stopper and clean it
Most bathroom sink clogs are wrapped right around the pop-up stopper. Under the sink, find the small nut on the back of the drain pipe holding the pivot rod. Loosen it, slide the rod out, and lift the stopper straight up. Many tub stoppers simply unscrew; trip-lever tubs come apart by removing the two screws on the overflow plate. Pull off the hair and slime, rinse it, and put it back.
Fish out hair with a zip tool
Push a plastic zip tool down the drain as far as it goes, twist it a little, and pull it up slowly. The barbs grab hair that's sitting below the stopper. Repeat until it comes up clean. It's the single most effective chemical-free fix for showers and bathroom sinks, and it can't hurt your pipes.
Plunge with the overflow sealed
Sinks and tubs have an overflow hole near the top. If you don't block it, your plunging pressure just blows out of that hole. Stuff a wet rag in it or tape it shut. Put a few inches of water in the basin so the cup is covered, then plunge straight up and down, hard, for 15–20 seconds. Pull the plunger off sharply at the end — the suction pull often does more than the push.
Flush with hot water and dish soap
Squirt in some dish soap and follow it with a pot of hot tap water — hot, not boiling. Soap loosens soap scum and body oils so the last of the clog can rinse away. Boiling water can soften PVC drain pipe and loosen glued joints, so leave the kettle out of it.
Snake it with a hand auger
Still slow? A small drum auger reaches past the trap. Feed the cable in until you feel resistance, lock it, and crank clockwise while pushing gently. Pull it back out often and clean the tip. Don't force it — if it hits a hard stop and won't go, that's a fitting or damaged pipe, not a clog. Use a closet auger for toilets, never a regular snake, or you can scratch the porcelain.
Skip this: chemical drain cleaners.
Here's why we tell people to leave them on the shelf.
They can eat more than the clog
Caustic and acid cleaners generate heat and attack old metal pipe, rubber washers and glued joints. A lot of Valley homes built in the '40s through '60s still have galvanized or cast-iron drains that don't need the help.
They usually just sit there
Hair clogs are tangled mats. A bottle may burn a small channel through and buy you a week, but the mat stays put — and the zip tool would have pulled it out in two minutes.
Never combine cleaners
Mixing products — or pouring one after another — can release toxic gas. If you already used one, tell your plumber before they open the trap. Chemical splash-back is a real injury risk.
A note for Burbank, Glendale & LA homes
Much of Southern California's water is hard, so soap scum and mineral scale build up faster here, especially in older galvanized drain arms that narrow from the inside over the years. If you're in one of the Valley's post-war ranch homes and every bathroom drain has been slowing down together, that's a sign the pipe itself is the problem. A camera inspection shows you exactly what's in there before you spend money on anything.
When to call a plumber.
No shame in it — some clogs and jams are symptoms, not the disease. Call if any of these sound familiar:
Two or more drains back up
Tub fills when you flush, or the sink and shower are both slow — that's the main line. Plunging fixtures won't reach it. Our drain cleaning clears the main from the cleanout.
It keeps coming back
A drain that clogs again within a few weeks has buildup or damage deeper in the pipe. That's a job for hydro jetting, not another round with the plunger.
The snake hits a hard stop
Resistance that won't budge, a sewer smell, or water coming up from the floor drain usually means a broken or root-filled line. A camera inspection tells you what's really going on.
Chemical-free drain FAQ
Straight answers, no sales pitch.
Does baking soda and vinegar unclog a drain?
Not really. The fizz looks busy, but it doesn't dissolve a hair mat. It's harmless to try, but a zip tool and a plunger do far more for a bathroom clog.
Are enzyme drain cleaners safe?
Enzyme and bacteria-based cleaners are gentle on pipes, but they work slowly. Think of them as monthly maintenance for a drain that's flowing — not a fix for one that's already stopped.
Can I use a wet/dry vacuum on a clogged drain?
Yes, on a sink or tub it can pull a clog back up. Set it to wet, seal the nozzle tightly over the drain, and block the overflow. Don't use it on a drain where chemicals were already poured.
How do I keep my shower drain from clogging?
Put a hair catcher over the drain and empty it after showers. Run hot water for a minute after use, and pull the stopper to clean it every month or two.
When should I stop and call a plumber?
When more than one fixture is slow, the clog keeps coming back, you smell sewer gas, or the snake hits a hard stop. Those are line problems, not fixture problems.
Still stuck?
If this doesn't work or you'd rather not mess with it, call (818) 669-9019. 24/7 emergency service · Free estimates · Upfront flat-rate pricing