First post ever! I have just one 15W Hi-Intensity flourescent tube light and it seems to be growing 3 healthy plants. They are only 2 to 3 inches tall right now. Am I going to need more wattage later when the size increases? Also, I'm using Miracle Grow and the bag says I won't need additional plant food for 3 months... should I believe it or get some fertilizers sooner? Thanks for reading, Anton
A single 15w fluoro can make your plants stretch too much for the light, so you should either get more fluoros or go out and buy a high pressured sodium light with a ballast or a metal halide light. I highly recommend getting one of those 2, but you can grow a successful plant with higher wattage fluoros.