leaf tips dying

Leaf tips on bottom leaves going yellow on tips with some black/brown spotting on the leaf edges and the base of the leaves are curling up a bit. This seedling was growing very slowly in rockwool from day 5 to day 12. The rockwool wasn't drying out so only watered it three times in first 12...

Two types of problems on 2 diff plants. First leaf tips and blades are curling up and look almost burned or yellowish. Second is more severe. Leaf ends curled down and almost dried up, these are some drastic curles. Growing in 2Gl air pots, 600W MH light hung 34” from plant tops. Growing in...

Hey everyone for the past 3 days ive noticed some symptons on my plant there is some clawing on the new growth but the thing im worried about is that my leaf tips are turning really dark and dying and i see yellow spotting aswell the plant is abt month old and i suspect bug problem aswell ill...