mwoodruff964
New member
I just recieved the lumatek ballast 150/175/250 watt, my question is I have a 150 watt bulb on there right now, can I turn the HQI setting with the 150 watt bulb or does it have to be a 250 watt bulb? Also if left on the HQI w/150 watt what will happen?