Kenny is about 5 mos old, I think. We got him 12/23 and they said he was 8 weeks. He is 15 inches long and weighs 6.1 ounces. Last week we switched from 20 gallon tank, Reptisun 10.0 T8, plus a 100 watt bulb, 100to 110F, 85F cool side, probe thermometer, to a 75 gallon tank with a 100watt...