Why Low Water Pressure Turns a Simple Shower Into a Frustrating Chore If you need to fix low water pressure in your home, here are the most common solutions — starting with the easiest: Clean clogged aerators and showerheads — soak in vinegar for 30 minutes, then rinse Check that all shutoff valves are fully open — including the main valve and meter valve Adjust the pressure reducing valve (PRV) — turn the adjustment screw clockwise to increase pressure Test your water pressu