I bought a zoomed uth a month ago. Unregulated my gun said 111 degrees after an hour. Really a thermostat is your most important tool. That and an RI gun. Petco ppl are straight outta high school and know nothing. The one by my house had BPs with horrible sheds and humidity sitting at 0%. There is a reason everyone on here is so adamant about regulating that pad. Thermometers will not tell you how hot the pad is and remember we run 98 degrees so just bc it feels warm to you dosent mean it's not too hot. Also the uth will NOT be able to tell Ur in Canada and it's cold. They don't work that way.