Clogged drain home remedy: what to try, in order

The best clogged drain home remedy is a plunger, used properly, with a cup of hot tap water and dish soap as a first step for grease. Baking soda and vinegar are mild helpers at best, boiling water suits some pipes and not others, and chemical drain cleaners are the last resort. If more than one drain is slow or water stands in the sink, move to a cable or a visit. The chemical drain cleaning page explains the products.

What should I try first on a slow drain?

Start with the cheapest and safest: remove the stopper and pull out the hair or gunk you can see, then pour a kettle of hot tap water with a squirt of dish soap and wait ten minutes. That clears light grease and soap film. If the water still pools, move on to a plunger. Do not reach for chemicals first.

A short order of attack:

1. Clear the strainer and stopper by hand.
2. Flush with very hot tap water and dish soap.
3. Plunge the drain with a cup type plunger and a sealed overflow.
4. Remove and clean the trap under the sink.
5. Use a hand auger or a barbed plastic strip.
6. Only then think about a product.

Moving up one rung at a time keeps you from buying something harsh for a hairball you could have lifted out in seconds.

What is the home remedy for a clogged drain with standing water?

Standing water means the pipe is fully or nearly blocked, so a plunger is the first tool: cover the overflow opening with a wet cloth, seat the cup over the drain and pump firmly ten to fifteen times. Pull the plunger off and see whether the water drops. Do not pour products into standing water, because they cannot reach the clog.

If a plunger fails, take off the trap and clean it, then work a hand auger or a barbed strip into the drain line. Our guide to cleaning a drain trap shows how. If the water still stands after that, the clog is deeper than a home remedy reaches. Plunger basics are on Wikipedia, which also explains the difference between a cup plunger for sinks and a flange plunger for toilets.

If you have already poured a chemical in, do not use the plunger until the label's time has passed, and wear eye protection.

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Does baking soda and vinegar unclog a drain?

Only lightly. The fizz can loosen a thin film of soap and grease and freshen the pipe, but it does not move hair, a solid plug or a clog deep in the line. Treat it as a mild cleaner for a slow sink, not as a fix for a stopped one. A kettle of hot water afterward does as much as the chemistry.

Do not mix it with a store bought drain cleaner. Never mix cleaning products, and a vinegar and caustic mix can react hard. If you want a gentle routine, run hot water and a spoon of dish soap down the kitchen sink weekly.

Does boiling water or hot water help?

Hot water helps with grease, but boiling water is a risk in some pipes. It can soften PVC joints, crack a porcelain sink or toilet and stress older fittings. Very hot tap water or a kettle that has rested a minute is safer. In a kitchen sink with metal pipes, hot water after dish soap can clear a greasy film.

Do not pour boiling water into a drain that has standing water, because the water sits in the sink and cools without reaching the clog. Do not pour it into a toilet. A plunger is the right first tool there, and our page on the toilet drain covers what comes next.

What works for a clog deep in the pipe?

A clog deep in the pipe is beyond a plunger and most home remedies. A hand auger or a barbed strip reaches the trap and the first few feet of branch. A clog further along, in a wall or under the slab, needs a longer cable or a jetter. Chemical drain cleaners rarely reach it, and fumes and splash are the risk if they sit.

Signs that the clog is deep: you plunged and the water drops, then returns within minutes; several fixtures are slow; the lowest drain in the house gurgles. A camera shows the actual position. See how to fix a slow draining sink and drain snaking.

When is a home remedy no longer enough?

Stop when you have worked down the ladder and the drain is still slow, when more than one fixture is affected, when you smell sewage or when water backs up in the lowest drain. These point beyond a local clog. A home remedy cannot fix tree roots, a collapsed pipe or a blocked main line, and a failed product makes a later service call riskier.

For a fixture drain, national guides put a plumber's snaking at about $100 to $300, and West Coast costs are often higher. You can send a quote request, and we arrange a local drain cleaner who gives the price in writing before work starts. The LA Drain Works home page lists the other services.

Questions people ask

What is a good home solution for a clogged drain?

For most sinks, a plunger plus hot water and dish soap is the best home solution. Pull out visible hair first. If the drain is stopped, take off the trap. Baking soda and vinegar help only a little. Leave chemical products for last, and never mix them.

What is the worst thing a home inspector can find?

That is a broad question, and the answer depends on the inspector. On the drain side, a failing sewer line is among the costly findings, because it can mean digging or relining. A sewer camera inspection shows pipe condition before you buy. Los Angeles also lists a rebate for camera inspections of private sewer laterals.

Can I use a drain snake instead of a remedy?

Yes, and it is often the better choice for hair. A hand auger costs about $10 to $30. It clears a local clog, but it does not clean the pipe wall. Our guide to drain snaking tips covers how to use one without damaging the pipe.

Why does my sink keep clogging after I fix it?

Grease and soap line the pipe and narrow it, so the same amount of waste blocks it faster. Hair, food scraps and a poorly sloped drain add to it. A deeper cleaning, such as a cable or a jetter, resets the pipe. Keep grease out of the sink.

Is it safe to use drain cleaner after a home remedy?

Only after the first remedy has been fully flushed out with water. Do not add a product on top of vinegar or bleach residue. If the drain is still blocked after the remedies above, a cable or a visit is usually the safer next step. Poison Control's number is 1-800-222-1222.