Why Your Faucet Drips Only When Another Tap Is On — Diagnosis and Fixes

https://hotel-wiki.win/index.php/Why_Your_Well_Tank_Feels_Like_a_Squeaky_Balloon:_Bladder_Failure,_Air_Charge_Fixes,_and_Replacement_Costs

That slow, annoying drip that only shows up when someone runs the shower or flushes the toilet is more than a nuisance. It points to pressure dynamics and worn sealing parts that interact under changing flow conditions