Problem Overview
Hard water is a fact of life across much of the Inland Empire, and mineral deposits are what it leaves behind. Calcium and magnesium accumulate inside aerator screens and showerhead nozzles over time.
It gradually chokes off water flow until what comes out feels more like a dribble than a stream. The good news is that cleaning these components takes minimal tools and less time than most people expect. Done regularly, it also extends the life of your fixtures considerably.
Tools Needed
- Adjustable pliers or wrench
- Soft cloth or masking tape (to protect finish)
- White vinegar
- Small bowl or zip-lock bag
- Old toothbrush
- Rubber gloves
- Thread seal tape
- Flashlight (for inspecting interior screens)
Step-by-Step Instructions
- Shut off the water supply to the fixture.
Turn off the hot and cold shutoff valves under the sink before removing a faucet aerator. Showerheads don’t require shutting off the supply, but turning the handle fully off avoids any unexpected drips during removal.
- Remove the aerator from the faucet.
Wrap the aerator housing with a soft cloth or masking tape to protect the finish. Use adjustable pliers to unscrew it counterclockwise. Once removed, note the order of the internal components: the outer housing, washer, disc, and screen must go back in the same sequence.
- Disassemble and inspect the aerator.
Separate the components and hold each one up to a light source. Heavy mineral deposits look like white or yellowish chalky buildup. Rinse everything under running water first to remove loose debris before soaking.
- Soak in white vinegar.
Place all components into a small bowl filled with undiluted white vinegar. Let them soak for at least 30 minutes. Heavily scaled parts may need up to a few hours. The vinegar dissolves mineral deposits without damaging the rubber or plastic components inside.
- Scrub with an old toothbrush.
After soaking, use a toothbrush to scrub away any remaining buildup from the screen and disc. Pay attention to the small holes in the screen mesh, as these are where flow restriction occurs. Rinse everything thoroughly under running water.
- Remove and clean the showerhead.
Unscrew the showerhead from the arm by turning it counterclockwise. Wrap a cloth around the connection first to avoid scratching the finish. Submerge the showerhead in a bowl of white vinegar for 30 minutes to an hour. If removing it isn’t practical, fill a zip-lock bag with vinegar, place it over the showerhead, and secure it with a rubber band. Let it soak in place.
- Scrub the nozzles and rinse.
Work through the individual nozzle holes on the showerhead face with the toothbrush. Rinse completely before reattaching. Run the water for a minute after reinstalling to flush any loosened debris through.
- Reassemble and reinstall.
Wrap the aerator and showerhead threads with fresh thread seal tape before reinstalling to get a leak-free connection. Hand-tighten first, then snug with pliers. Avoid overtightening since it can crack the housing or strip the threads.
Safety Warnings
- Never use bleach or harsh chemical cleaners on aerator components. Vinegar effectively removes mineral buildup without corroding rubber seals or washers.
- Inspect the washer and O-ring during reassembly. A cracked or flattened washer causes dripping after reinstallation and needs to be replaced before putting the fixture back together.
- Keep track of every component during disassembly. A missing screen or washer causes water to spray unevenly or leak around the connection.
When to Call a Professional
Cleaning the aerator and showerhead sometimes reveals a bigger issue underneath. If the flow remains weak after a thorough cleaning, the restriction may be farther down the supply line rather than at the fixture itself. Corroded supply lines, partially closed valves, or mineral buildup inside the pipes can all produce the same symptoms as a clogged aerator.
Our licensed plumbers at Sweetwater Plumbing serve Ontario and the surrounding Inland Empire communities. We diagnose flow problems at the source and recommend practical fixes without unnecessary service calls or inflated estimates.
Cleaned the fixtures, and still getting weak flow? Contact Sweetwater Plumbing and let us trace the problem back to its source.