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Spots on the leaves
spacetimemanstarted grow question a year 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 a year 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 a year 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 a year 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 a year 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 a year 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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