Ever since I got a second UTH a couple weeks ago to help bring up my cool side temps for winter, my 4ish m/o bamboo female only hangs out on the cool side, even after feeding.
Floor temps are(taken from surface w/ temp gun):
Hot side: 88-90°F
Cool side: 77-80°

Ambient temp is around 75°
Humidity is a bit high, around 70% because the substrate is pretty fresh, but dropping steadily each day. I cover most of the lid when it gets down to 65%

Substrate: eco earth/forest floor/sphagnum moss mixture

Both hides are identical, the pangaea black box style

Would you say this is normal behavior or do I need to change something in my setup?

Thanks!

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