kiss-assi have the same q just a little different...i live in colorado where the weather is always changing...i do grow inside but i would love to start outside this summer...i have a cab (bin) where i grow my stuff inside my house...is about 36inches long and 26 inches wide and about 18-20 inches tall...my seeds barly sprouted today...and for heat im using a a 2bulb 40watt cool fluroscent light bulbs...i was wondering if i should only heat with my light in the dark hours (7pm-7:30am) and let mother earth take care of the daylight hours (7:30am-7pm) being that it gets about 78 degrees in that box by itself w/o lighting in the day....at night w/o lights it could drop to about 55-60 degrees....any tips please help me...i dont want to kill my seedlings...i would thread but i dont know how to do it...