Greetings all, Lurker here. I recently caught the bug and have started that " hatch fever " thing. A friend loaned me a LG styrofoam incubator. It was frustrating to use ( I hatched 21 of 27 good eggs with it.. but it was painful to keep my eye on it all the time.) I decided to build my own and was wondering if anyone has problems with light bulbs burning out with the on/off cycle being above normal use. I currently have about a 3 min on/ 2 min off cycle, but would like to go to a higher watt bulb for better stability .... which would increase the cycling. I started with new light bulbs and have plenty of spares. Just don't want to worry about them burning out while nobody is close by. Thanks for your response.