Zoo Med Repti Therm Undertank Heater reptile bulb The pump is paired with

The pump is paired with a controllable air aspirating venturi to generate a robust bubble column

When any of these parameters are not strictly within the proper range

cobalt sulfate

Excellent secondary heat source

Zoo Med Repti Therm Undertank Heater reptile bulb The pump is paired withReptiTherm Under Tank Heaters are an ideal 24 hour primary or secondary heat source for tropical or temperate reptilian species. All of Zoo Meds Under Tank Heaters are UL cUL approved (GS TuV CE in Europe) and contain a solid state nichrome heating element. These under tank heaters permanently adhere to your terrarium, forming a solid bond for optimum heat transfer. Inexpensive, low wattage heaters. Excellent secondary heat source. Item Number: RH 7