Things You'll Need

Instructions

1

Turn off all water faucets.
2

Open the reverse osmosis tank valve, and attach a calibrated air pressure gauge.
3

Check the calibrated air pressure gauge for the tank pressure, which should be at least 7 pounds per square inch (psi).
4

Increase air pressure as necessary to 7 psi.
5

Close the tank valve cap, and slowly turn on the water faucet.