the temp of the canopy has kinda varied lately, it was at 74-78, ive been doing cab upgrades, i have ac,and a chiller for the res so i started co2 and took the cab up to 86-88 and kept the res 66-69, i dont have a co2 moniter so im not sure of my co2 level, so im back to 75 intell im sure i have proper co2,