250W Clear (IR250CH) ES/E27 is a bulb what im using up in da attic in winter time behind da thermostat so that the watertank wouldnt freese.o0 i didnt double check miself here now but i am quit sure that you shouldnt use that bulb.and i dont understand how your grow area only stays around 30c when you have 250w infrared bulb there..sry man im bit lost here