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- Jun 21, 2018
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What's the point of using the keg? What more information can it offer me?The part that has me stumped is the increase to 20psi and then a drop to zero. This happening after holding pressure for several hours just doesn't make sense. I can see a gunked up regulator causing a pressure increase, but not with the cylinder valve closed. I also doubt that temperature changes in the fridge, even without an external controller, would account for a 7 degree change in pressure unless it was unplugged or left open for longer than a few minutes.
I think at this point we're just wasting time. If you have an empty keg, I'd put it in the kegerator and hit it with about 12 psi. Spray some Starsan or soapy water around the lid to be sure it's sealed, shut the cylinder valve and leave It for a couple of days . If it holds pressure within a pound or 2, call it good. Hopefully, the weird things you observed were just a fluke.
And I also hope it was all just a fluke, but the fact that it happened twice makes me think it's not very likely that it was.