A slow bathroom faucet can feel like a pressure problem when the
actual restriction is at the little screen on its end. Before replacing
a fixture, compare the hot and cold flow and check another tap nearby.
That comparison tells you whether to look at one aerator or the wider
plumbing system.
If the aerator is designed for removal, follow the fixture
instructions, protect the finish, and keep track of the small washers
and screens. Rinse debris and clean mineral deposits with a method
approved for the material. Don’t force a seized part; a scratched finish
or damaged threads turn a small job into a replacement. Showerheads and
strainers need similar care, but specialty or water-saving assemblies
may have components you should not alter.
If flow stays low at several fixtures, hot water alone is affected,
or water is discolored, ask a qualified plumber to investigate. Repeated
debris after a repair could point to piping or a water-treatment issue.
A leaking connection under a sink deserves prompt attention; make sure
everything is dry after reassembly.
For plumber contacts, my Helpful
Resources page is a starting point. The Homeowner
Tools & Supplies guide lists basic tools and leak sensors,
though the fixture manual should guide the cleaning product and
replacement part.