What am I looking at?
TickleToaststarted grow question 6y ago
Redish Brown spots, and slight discoloration.
Magnesium deficiency? Calcium? Other?
Gave them a splash of Calmag, but was it even necessary?
OR, should I have just swapped nutes and wait, then correct if not improved? (It was nute day, that's why I ask!)
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Leaves. Color · Dark-brown
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Mr_Weeds_Autosanswered grow question 6y ago
This is definitely going to be calcium-related, but the thing is most of the time with this it's a lockout and the plant isn't getting it all. Yes giving the plant Cal-Mag when you regularly feed is necessary cannabis plants tend to be very calcium hungry. I noticed your ph level was 5.8, In hydro, calcium is best absorbed by the roots in the 6.2 – 6.5 pH range in hydro, it’s generally recommended to keep the pH between 5.5 – 6.5, but calcium specifically tends to be best absorbed above 6.2, so this could be the cause for the lockout.
Elgaranswered grow question 6y ago
Yeah you need to add some calmag. See how it goes and add less or more the next time. Cheers 😊
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