Help with raising ambient and cold side temp?

[tttaylorrr]

I actually don't even know... All I know that it's definitely smaller than 8.5", and that that size dome was maybeee an inch or so too big? So estimating somewhere between 6.5" to 7.5"

you're going to have to measure it so you know what size dome/wire caging will work. the one i linked is 8.2" wide so it might not work.