I turned the lights back on after 7 hours. the temp had dropped to 57. I mixed 1 gallon of water with 1/2 tsp bio-grow and 2 tsp mir-grow 24-8-16. The plants have seemed to respond well to the boost of nitrogen. They are alot greener than they were 4 days ago. They are going to grow all night and I'll report on them with pic's tomorrow night.