Okay, so i am going to start incubating SO SOON. maybe like 5 days. So i need help with one thing. I have this thermostat: http://www.amazon.com/RioRand-Therm...7376&sr=8-117&keywords=temperature+controller I have the thing working with the 12vdc power plug...now i just need to add on the lightbulb/heating supply. How do i hook it p to the thermostat? -What do i need? (like what plug or something?) And when you look at the 4 little holes with the labels of KO and K1, all i know is that you hook a plug up to the light bulb and then up to the KO and K1 but i dont know where the positive side of the plug goes and where the negative side go. Is it negative= KO or negative=K1? Thanks to all who help.