Clean a Faucet Spout

Hard water leaves its signature on every faucet spout — a chalky white crust that narrows the stream, deflects the flow sideways, and dulls the chrome. The buildup happens where water meets air, accelerated by minerals in municipal supply or well water. Left alone, calcium and lime deposits harden into a stubborn shell that no amount of wiping removes. A proper spout cleaning dissolves years of scale, restores original water pressure, and brings back the finish you paid for. This is maintenance, not repair. Most homeowners wait until the spray pattern goes chaotic or the flow weakens to a trickle. The better approach is a quarterly deep clean that keeps aerators clear and finishes intact. The method works on kitchen pull-downs, bathroom widespread faucets, and laundry utility spouts. The tools are household items, the technique is non-abrasive, and the result is immediate.

1. Unscrew the aerator cap. Turn the aerator counterclockwise by hand or use a rubber jar gripper for extra grip. If it's seized, wrap the aerator body with a thick rubber band and use slip-joint pliers with gentle pressure. The aerator is the small screened cap at the spout tip. Set it aside with any washers that come with it.
2. Let vinegar dissolve the minerals. Fill a small bowl with undiluted white vinegar and submerge the aerator completely. Let it sit for 15 minutes minimum, longer if the buildup is thick. The acetic acid will soften mineral deposits without damaging rubber washers or metal threads.
3. Submerge the spout tip. Fill a plastic sandwich bag halfway with white vinegar. Lift the bag around the faucet spout so the tip is fully submerged, then secure it with a rubber band around the spout neck. The vinegar should cover all visible buildup. Leave it for 20 minutes.
4. Brush away loosened deposits. Remove the bag and wipe the spout with a soft cloth. Use an old toothbrush to scrub around the base, joints, and any textured areas where scale hides. Rinse with warm water. If white spots remain, make a paste of baking soda and water, apply it, let sit 2 minutes, then scrub again.
5. Clear the aerator mesh. Pull the aerator from the vinegar bowl and use the toothbrush to scrub both sides of the screen. Push bristles through the mesh to dislodge trapped sediment. Rinse under running water while backflushing — hold the screen upside down so water pushes debris out the way it came in.
6. Purge trapped sediment. Before reinstalling the aerator, turn on the faucet at half pressure and let water run for 10 seconds. This clears any loosened deposits from the spout chamber. You'll see cloudy water or small particles flush out.
7. Reinstall and verify flow. Thread the aerator back onto the spout by hand, turning clockwise until snug. Do not overtighten — hand-tight is enough to seal without crushing the washer. Turn on the water and check for leaks around the aerator threads and smooth, centered flow from the screen.
8. Restore the original shine. Dry the entire faucet with a clean microfiber cloth to prevent new water spots. Buff the spout and handles in circular motions to restore shine. For extra protection on chrome or stainless, apply a thin layer of car wax and buff it off.