I have 4 pots inside a small display light, the seeds just germinated and iput them in soil and into the display. do i need to use CFLS now or can i wait tell they start to sprout out of the soil. i am using just 1 50 watt halogene bulb to keep it nice and warm in there, should i also plug in the cfl? im scared it will be to warm or can i wait and just run 2 cfls when the pop up