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There can be a number of reasons for this (and the pump is hardly ever the reason ). If the tank is a galvanised tank, an older and possibly green or silver tank then there's a great possibility that it's 'water logged' -meaning, lost it's air charge. It takes air pressure in the tank to force the water out. Watch your pressure gauge carefully for the 'cut in ' pressure when the pump starts. If it's less than 30psi, then the above is the fault. Your solution is to switch the pump off when tank is at it's lowest pressure, connect a compressor to a nipple just like a car tire valve (somewhere on the tank, often at top) and pump in air pressure to eject almost all of the water. When the tank feels almost empty (rock it to check) then close the valve to the house and keep pumping air in till it gets to 27-28 psi (this is your air charge ) Now switch on the pump and things should work better. If this does not cure the problem , call an experienced well tech, NOT a plumber !

If your tank is pale blue, it's likely a bladder tank and your bladder has leaked as they all do eventually. -In this case you need a new tank installed.

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Q: You have a well and pressure tank but the water flow is weak?
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