I have a 55 gallon glass aquarium with a uth (Exo Terra ) ,I have a big Apple thermostat with the probe taped to my uth,the uth has aluminum foil so its not stuck right to the bottom of the tank,the tank is on the tips to lift it up a bit . The thermostat is taped right to the uth,the thermostat is turning on and off every few minutes to regulate the temp a lot,is this a fire hazard? To have the hermostat turning o