I have just built a 4x2x2 (or 120 gallon)melamine tank for my dragon. I wanted to have everything set up before I brought my dragon home and it is all ready except for the heating. I have the zilla slimline desert 50uvb bulb at 125 F, a 40 watt incandescent light bulb at 160 F, and a 75 watt ceramic heat lamp that is 500+ F. Even when all of this has been running for an hour the tank's highest temperature is still only 82 F. The melamine board that the lamps are attached too on the ceiling is about 175 and would prefer if this temperature did not increase so the boards no not warp/melt the melamine. The UVB light and incandescent are on a scheduled turn on to represent daylight and the heat lamp is connected to a thermostat to turn on below 82 and turn off above 100. Should I also put a heat mat on the bottom of my cage? Not sure how else to heat the tank.