
Cover the drain and prepare the finish
Place a towel over the sink drain so small parts cannot disappear. Wrap the aerator with a second soft cloth before using a wrench.
Check before continuing: Keep the area dry, controlled, and easy to observe.
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Practical plumbing information, professional guidance, and a clear next step for homeowners and businesses across the San Fernando Valley and Los Angeles County.

Restore a weak or uneven faucet stream by cleaning the small screen at the end of the spout.

Take a photo or note what you find. If a step does not match your property or the symptom gets worse, stop and call for professional guidance.

Place a towel over the sink drain so small parts cannot disappear. Wrap the aerator with a second soft cloth before using a wrench.
Check before continuing: Keep the area dry, controlled, and easy to observe.

Turn the aerator counterclockwise by hand first. If it needs a wrench, use light, even pressure and keep the tool on the cloth.
Check before continuing: Keep the area dry, controlled, and easy to observe.

Separate the screen and washer, soak the screen in white vinegar for 15 to 30 minutes, then loosen mineral deposits with a soft brush. Do not use a sharp pick on the mesh.
Check before continuing: Keep the area dry, controlled, and easy to observe.

Rinse every part, reinstall the washer and screen in the same order, and hand-tighten the aerator. Run cold water slowly and check the threads for drips.
Check before continuing: Keep the area dry, controlled, and easy to observe.
Share the photos, symptoms, and steps you already tried. New Flow Plumbing can help confirm the cause and recommend the appropriate repair path for your home or property.