Hi! I had a ceramic bulb with negative consequences so I finally removed it. In a 60x45x55 centimeteres vivarium for a milk frog with a daytime heat glo and a heat mat I get 23ºC (under bulb there is 26.8ºC). Should I buy a infrared heat bulb? Would it do the same that ceramic bulb to my frog (dry its skin)? What wattage should I buy if you think I must heat up....?