nitrogen toxicity

Hey guys Me and my roommate decided to try our hands at growing. It's a budget grow, we have sectioned off a corner of the shed and put thick cardboard as walls and currently have tinfoil bit will be upgrading. We are using a 250w CFL (2700k) and two 100w CFL (6500k). We are having trouble...

Hi all, I'm a first time grower and don't want to mis-diagnose my plants. I'm a couple of weeks into veg and my two plants are approximately 40 and 45 cm. I've noticed some abnormalities in them and have diagnosed myself, however would like an expert opinion because my lack of experience may...

My first grow and I managed to give my plants too much nitrogen in the veg stage. The plants seem to be recovering nicely and are growing again (5th week of veg). The lower leaves are still dark and curled but the top of the plant is doing and looks great. Life goes on. How much damaged...