spots and dying fan leaves

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toastedleaf

Well-Known Member
just went through a res change 2 days ago (it had been 14 days before that).
Jacks 321- currently at 1000 ppm. ph 5.8
I've just flipped to flower 10 days ago, this is the only plant of 4 showing this issue.
Thank IMG_1721.jpgIMG_1720.jpgyou
 
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piratebug

Well-Known Member
Are you running these under led(s)? If so, I would be supplementing Jacks 3-2-1 with some magnesium sulfate, 4-6 grams per gallon?
 
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piratebug

Well-Known Member
toastedleaf said:
yes i am running an sf2000, i can feed some tomorrow, they are asleep right now. Thanks!
Click to expand...
Yeah, Jacks 3-2-1 is good stuff, and you normally don't need to supplement it with mag, but I have found if you run many strains under led(s) as opposed to running them under HPS/MH/CMH, and are using Jacks, then more mag seems like it is always needed!
 
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