Quote Originally Posted by Paul_Woods93 View Post
Theres a probe from my thermometer attached to the glass under the substrate. I also have a hydrofarm controlling my temps, just figured I should throw that bit of info in there haha

I would get a Temp Gun so you can measure the substrate above the UTH, if it is 91 on the glass you don't want to crank it up any higher in case your BP burrows down, but you should double check what the actual surface temp on the substrate is.