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well due to my calcium fiasco a week ago, my probes, along with everything else in the tank were coated with calcium. I dipped them in vinegar for a few minutes, until the calcium coating on the glass probe tip was gone and the tip was clear again, then I recalibrated... thanks salfert
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A free people ought not only to be armed and disciplined but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them G.Washington
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