Yellow fan leaves
Goldbudstarted grow question 6y ago
New issue starting week 5 of bloom. The lowest big fan-leaves are getting yellow and that very quickly. She got a organic Biotabs PK Booster compost tea 3 days ago. It looks to me she wants more Nitrogen. Should I add molasses? If so how much? Or is it another issue. PH is ok.
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Bloombusteranswered grow question 6y ago
Bro, what's up! You have a magnesium deficiency. It could have been triggered by an excess of ammonium nitrogen, chlorine, and calcium. But magnesium should leave the plant from the middle of flowering, so you shouldn't worry, you're already getting close to harvest! 👌😇👍
smoke24answered grow question 6y ago
This is normal in flower. The plant starts pulling nitrogen from its leaves to fuel bud growth. By harvest time, most of the leaves will be yellow/red/purple depending on the strain.
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