Those are all questions we went trough with my vet. But, I have a 35,5/19,7/15,7 inches( l/h/d) tank. The UVB light is from Exoterra( reptile uvb 200, 25 w), the heat lamp is 50 w. His basking spot is 105 F and his shady spot is 75 F. He has a food and water bowl in his terrarium. There is...