If you are growing indoor, it is all about creating the perfect environment. If your off in any area, you yeilds will be affected. PH must be good, air flow must be good, soil (medium) must be good, temps must be good....it all works together. You learn with practice and with patience. Your best bet at this stage (it sounds like this is your first time), just read, read and read some more. There is tons of useful info on this site and tons of reference books. Just soak up as much knowledge as you can. :jointsmile: