Well i want to know if anyone has actually used the dimmer switch to regulate the heat source and had good results? I have been using a hot water heater thermostat as per the instructions on the homemade bator that Miss Prissy put out for the bread box and i have had eggs incubate in there and not die - but i cant start them in there because the temperatures fluctuate (in the water wiggler) on about a 5 degree swing constantly - and they never actually start. Well maybe i dont give them long enough time but i would think after 4-5 days they would start I have in the heatsinks. It's in a room that doesn't have windows or drafts or really temperature swings. I start the eggs in my hovabator 1588 and then after the first week i let them incubate in the breadbox. the reason that i am doing that is i have a staggered hatch. i have 4 eggs now - 1 duck & 3 mutt chickens that need a place to hatch starting friday. I have 10 cayuga eggs, 2 white silkie eggs, and 4 more mutt chicken eggs that are not nearly ready to hatch so i cant keep them in my hovabator. I really want the homemade incubator to work. any ideas would be great. actually i just disconnected my hot water heater thermostat yesterday and bought a lamp dimmer at home depot and am trying to get it regulated today. and i am almost there but i want a constant over night - but i am in trouble if i dont have it ready by tomorrow. so my question is what do i do?? i cant really hatch those 4 eggs out in the hovabator while i'm incubation 16 other eggs that need turning right?? would i be better off to hook the thermostat back up and just let the 5 degree fluctation go through the hatch? would they hatch?? suggestions from all the pros???