Just to verify I have understood correctly from the care sheet. 
UTH on all the time? day and night? at 88-92 degrees surface heat.
Temp 4 inches above UTH at 78-82
Cool spot. 66-74
If in the winter still colder add CHE on warm side to increase surface heat at the 4 inch mark to 78-82
			
			UTH on all the time? day and night? at 88-92 degrees surface heat.
Temp 4 inches above UTH at 78-82
Cool spot. 66-74
If in the winter still colder add CHE on warm side to increase surface heat at the 4 inch mark to 78-82