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Spots on the leaves
spacetimemanstarted grow question 2y ago
There are brown spots on the some leaves of the one of two similar plants. What to do with this?
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greenAFanswered grow question 2y ago
I don't know the nutes your using and I don't see you keeping track of EC, but it looks like mag def, if u have calmag hit it with that or adjust main nutes. I don't see any Nute burn so u may be able to get away with upping the levels across the board, but your probably better off just hitting it with some calmag.
Robertsanswered grow question 2y ago
It is a phosphorus deficiency. Your starting to flower, and you are not giving it much for supplements. Flowering npk ratio is 1-2-3
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AutoflowersSucKanswered grow question 2y ago
Looks like Calcium deficiency. If you dont use a calcium supplement you should. Especially if youre using coco coir. A alternating feed/calmag/feed/calmag is a good regiment. and calcium has been shown that it is most available to cannabis plants at a pH of 6,2
Adjust your pH to 6.2 and add some extra calmag to your next watering at 1.5ml per liter
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DoughHeadanswered grow question 2y ago
No tips burnt so I would guess nute burn.
I would guess as others said calmag, specifically Calcium.
Also over watering can cause brown spots.
Let your pot dry back 40-50% before next watering and then continue feeding regiment. I would add 2ml per gallon of calmag to your line if you don't already have it.
Goodluck.
Please consider selecting me as the answer so I can be entered for a chance to win grower of the month contest I would really appreciate your support growmie 🙏 😃
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Sciolistic_Steveanswered grow question 2y ago
calcium deficiency, maybe.. do you allow at least 50% dryback? these dead spots look like they could be irrigation habit related. if not allowing top 1" to dry before next irrigation, do that for a couple weeks and see how that plant responds.
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