Fixing Low Water Pressure in a Single Faucet

Sediment is the silent enemy of a steady stream. When you notice one faucet in your house behaving like a trickle while the rest of the home functions perfectly, the issue is almost always localized right at the spout's exit point or the immediate supply lines beneath the basin. Fixing this is a victory of simple maintenance over unnecessary plumbing calls. By addressing the mineral deposits and check-valve flow, you can restore full pressure in minutes without special tools. A job well done results in a clean, aerated, and powerful flow that mimics a brand-new fixture.

1. Expose the Clogged Aerator. Wrap a cloth around the faucet tip to protect the finish and use pliers to unscrew the aerator housing. If it is stuck, apply a small amount of penetrating oil and let it sit for ten minutes before trying again.
2. Map Every Tiny Piece. Carefully pry apart the aerator components, taking note of the order in which they sit. Inspect the fine mesh screen for white or crusty mineral buildup, which indicates hard water deposits.
3. Vinegar Dissolves Calcium Deposits. Submerge the aerator components in a small container of white vinegar for at least an hour. Use a soft-bristled brush to gently scrub away any remaining debris after soaking.
4. Blast Away Loose Sediment. Before reattaching the aerator, hold a bucket or bowl under the open faucet and turn the water on full blast for ten seconds. This flushes out any loose sediment that may have broken free from the pipe walls.
5. Unlock the Supply Valves. If flow remains poor, look under the sink at the shut-off valves attached to the wall. Ensure they are turned completely to the left, as a valve left partially open will severely restrict water volume.
6. Restore Full Pressure Flow. Place the cleaned components back into the aerator housing in their original order. Thread the housing back onto the faucet by hand until snug, then use the pliers for a final, gentle tighten.