dumeril cage

[phil_7870]

i am wondering what temperatures and humidity are dummerils are kept at some care sheets say high 85 and low 77 and 20% humidity other say 90 high 77 low 40 to 60 %humidity .what should i put this cage at my 4 ft 3 ft 2 ft cage is currently at 86 hot and about 71 or 72 cold what could i do to bring up the temperture ??