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Cal deficiency?
Happyjack42started grow question 2 years ago
Is this a problem or nah? Brown spots on leaves, mostly on the one plant that is farthest behind on flowering. Thought it was calcium deficiency also contributing to slow flowering so I hit the plant with some nutrients a few days ago. Concern or just end of life stuff? Thanks!
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GrowingGrannieanswered grow question 2 years ago
Yeah, this is a calcium deficiency - but here's the thing... I think you're awfully close to harvest so trying to do something about it at this point - I mean, why?! You say they're not drinking a lot which is a big indication they're in their final stages. And I think you're way off in thinking you've got 3 or 4 weeks to harvest - I think they might be ready right now to start flushing them in preparation for harvesting next week. Grab yourself a jewelers loupe or a microscope and take a look at the trichomes... they should be all milky by now... if so, then by next week you'll have about 10-20% amber which is the perfect time for harvest. - Hell, they might be ready today! So as far as a calcium deficiency - just ignore it... it takes time to correct that and is pretty pointless now.
Good luck - good harvest - they look great!
m0useanswered grow question 2 years ago
Looks like a fungus/rust or calcium issue to me.
I would say more calcium if anything.
Good Luck!
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