water pressure tank

Our current water pressure tank makes a loud noise about a minute after a water source is turned off. It is inside the actual tank and not the pipes, etc. Does this indicate a defective bladder? Second problem: I cannot find any information online about the gallon size tank needed for a...

My water pressure tank doesn't seem to be holding any water. It is set to "call for" water when it reaches 40 psi and "turn off" at 60 psi, but the pressure drops instantly when someone uses any water in the house. Thus, it is repeatedly getting new water from the well for even a simple toilet...