Res change at day 29. Have to lower nitrogen a bit cause its clawing and pretty dark. Otherways everything is just fine and it grows nice. Ad calmag 5ml to 20L.
Hello my friend, this is just a color mutation that you find very often on cannabis plants. This is not a problem or deficiency. So no worries and enjoy this grow buddy! 💚
Looks like lack of phosphorus.i am doubting is it potash, but potash goes more black colour of necrosis, this reminds me of phosphorus, they entered flowering ?