Hi, the seed company probably isn't sure what strain the mystery seeds are either. They probably got mixed up at some point. The Northern lights are best to run in a sea of green because they are a slow grower. It looks like you're doing a good job pruning. The more pruning and training you do, the slower the growth. The lights you have will fill a 2 by 4 in flower. The goal is to train your plants so the canopy fills a 2 by 4. Not sure about the dimensions of your tent. At 60 percent humidity and with ambient co2 your temp should not be dropping below 70 at any time. Keep your night time temps above 70 and growth will increase. If you let the temp drop below 70 with the humidity that high powdery mildew will set in. Good luck
