Flukers clamp lamp setup

[nbp137]

so I just set up my 40 gallon tank with a under tank heater for 50-60 gallon terrariums and i also have the 10" clamp-lamp.... do i need both? or am i good with one or the other?

[bivman]

so I just set up my 40 gallon tank with a under tank heater for 50-60 gallon terrariums and i also have the 10" clamp-lamp.... do i need both? or am i good with one or the other?

That depends on your hot/cold and ambient temps...