How to Remove Aerator from Bathroom Faucet: A Step-by-Step Guide

Updated November 2026

To remove an aerator from a bathroom faucet, unscrew the small cylinder at the tip of the spout by hand or with a towel-wrapped wrench, then pull out the inner screen and washers. The whole job usually takes under 10 minutes and requires no plumbing experience. Once it is out, you can clean it, replace it, or reinstall it in the correct order.

What You Need Before You Start

Most bathroom faucet aerators are held on by threads and a rubber gasket, so you rarely need special tools. Gather these items first:

Shopping for one? See our guide: 3 Best Moen Aerators for Bathroom Faucet Picks Compared (2026).

• A soft cloth or rubber strap wrench to protect the finish
• Adjustable pliers wrapped in tape, if the aerator is stuck
• White vinegar and an old toothbrush for cleaning
• A small bowl to hold the parts so nothing rolls into the drain
• A replacement aerator that matches your faucet’s thread size, if you plan to swap it

Step-by-Step: Removing the Aerator

1. Turn off the water supply, or at least reduce the pressure. Some people close the shutoff valves under the sink. If you skip this, the aerator may spray when it comes loose.
2. Wrap the aerator in a cloth. Brass and chrome finishes scratch easily, so protect the outside before gripping it.
3. Turn counterclockwise. Most aerators unscrew by hand. If it resists, use the strap wrench or pliers gently, and keep the cloth in place.
4. Remove the parts in order. Typically you will find the outer housing, a screen, sometimes a small flow restrictor, and one or more rubber washers. Lay them out in the sequence you removed them.
5. Rinse the spout. Run water for a few seconds with the aerator off to flush sediment out of the faucet opening.

Cleaning or Replacing the Aerator

If the problem is low flow or a sputtering stream, the screen is usually clogged with mineral deposits. Soak the parts in white vinegar for 30 minutes, then scrub the mesh with an old toothbrush. Rinse thoroughly before reassembly.

If the screen is torn, the washer is cracked, or the threads are stripped, buy a replacement that matches your faucet brand and thread size. Manufacturers specify these sizes on their parts listings, so check before ordering. For brand-specific help, see Moen Bathroom Faucet Remove Handle: Step-by-Step Guide (2026) for the general approach to Moen fixtures.

Reinstalling in the Right Order

Reassemble the parts in the same order you removed them. Place the washer first, then the screen, then the housing, and hand-tighten the aerator clockwise until snug. Avoid overtightening, because that can crack plastic components or damage the spout threads.

Common Mistakes to Avoid

• Using bare metal pliers, which leave marks on the finish.
• Forgetting the order of small washers, which causes leaks or a spray pattern.
• Forcing a stuck aerator without first soaking it in warm vinegar.
• Dropping parts down the drain. Cover the opening with a rag while you work.
• Confusing the aerator with the cartridge. If water leaks from the handle base instead, see Repair Dripping Faucet Bathroom: A Step-by-Step Guide for Beginners.

Recommended Gear

A rubber strap wrench gives a firm grip without marring the finish, which makes it the most useful tool for this job.
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A small set of replacement aerators in the right thread size saves a second trip to the hardware store if the screen cannot be cleaned.
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A soft-bristle cleaning brush helps remove mineral scale from the mesh without damaging it.
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FAQ

Do I need to turn off the water to remove the aerator?

It is not strictly required, but it is strongly recommended. Turning off or reducing the supply prevents water from spraying when the aerator comes free. Closing the shutoff valves under the sink is the safest option.

Why is my bathroom faucet aerator hard to unscrew?

Mineral buildup and corrosion can bond the threads together over time. Soaking the aerator in warm white vinegar for 20 to 30 minutes often loosens it enough to turn by hand.

How often should I clean the aerator?

Cleaning it once or twice a year works well in many homes, though hard water areas may need more frequent attention. Clean it sooner if the flow weakens or the stream sprays unevenly.

Conclusion

Removing a bathroom faucet aerator is a quick job that restores flow and keeps the spout clean. With the water controlled, the parts kept in order, and gentle handling, you can clean or replace the screen without special training. Consult a licensed plumber if the aerator or spout threads are damaged beyond simple repair.

Related reading

• How to Stop a Leaking Bathroom Faucet: A Step-by-Step Guide for Beginners

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