You might want to double check your hygrometer. She shouldn't have had a poor shed at 75%, so it's very likely that it's reading incorrectly. What brand and dial or digital?
Brand new accurite. Probe on the warm end, unit about snake's level on cool end.
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Burmese Pythons: 1.0 Albino [George]
Reticulated Pythons: 1.0 White Phase [Zeus]
Ball Pythons: 0.1 Spider [Isis] | 0.2 Normal [Athena/Pandora]