My kitchen sink has had really weak water pressure for the past few weeks, but the bathroom sinks are fine. I'm not sure if it's a clogged aerator or something more serious with the pipes. Should I call a plumber or try to fix it myself?
Start with the aerator since it's the easiest fix - just unscrew the screen at the tip of your faucet and rinse it under hot water to clear any mineral buildup or debris, then screw it back on. If that doesn't work, check the shut-off valve under your sink to make sure it's fully open (turn the handle so it's parallel to the pipe). If those don't solve it, you might have a clogged supply line or valve issue, which is worth calling a plumber for since it gets more involved from there.
The aerator is definitely your first move since the other sinks work fine - unscrew it, soak it in white vinegar for an hour or two if it's got mineral deposits, then rinse and reattach. If that doesn't help, check under the sink for a shutoff valve that might've been accidentally turned partway closed (happens more often than you'd think). Before calling a plumber, also run hot water for a minute and feel the pipes to see if one section is noticeably warmer than others - that can hint at a blockage deeper in the line - but honestly if the aerator soak doesn't fix it, a plumber's probably your best bet since you'd need special tools to clear anything past that point.
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