I was having some serious issues with temperature and humidity. See my other thread here for details.
We solved them by making some simply adjustments to the tank:
(1) Two CHE's: 100W and 150W.
(2) Two water bowls: One on cool side, one on top of hot hide
The second water bowl is centered directly under the 150W bulb and seems to have made a huge difference in the humidity levels. Without misting, we're getting this pretty consistently:
Cool: 78F
Hot: 83F
Belly: 91F
RH: 55%
Ideally, I would have all of those readings up a few degrees. But, considering that I've got a 3000g ball in a 70gal tank in Seattle...I'm celebrating these (very steady) readings!
Pic:
Our fat girl, Juno exploring her tank:
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