Exactly how much pressure should be in a well pressure tank?
If you've noticed your water flow pulsing or your pump kicking on every few seconds, you're probably wondering exactly how much pressure should be in a well pressure tank to get things back to normal. It's one of those home maintenance tasks that sounds complicated until you realize it's mostly just basic physics and a little bit of air. To give you the quick answer right away: your tank's air pressure (also called the "pre-charge") should be 2 PSI below the cut-in setting of your pressure switch. ...