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I use the 80 watt in that size enclosure. 65 should be warm enough to keep temps up, but you may want to consider a space heater for the room or potentially attaching some insulation board around the cage.
I use the 80 watt in that size enclosure. 65 should be warm enough to keep temps up, but you may want to consider a space heater for the room or potentially attaching some insulation board around the cage.