• Here is a link to the full explanation: https://rollitup.org/t/welcome-back-did-you-try-turning-it-off-and-on-again.1104810/

Dark Spots on Oldest Leaves except the Og Kush

budtoker0987

budtoker0987

Active Member
Setting ph of all liguids to 6.7 now
Use Cal-Mag in my water and feeding
Flora Nova Nutes
Please somebody know what this is :wall::wall:

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sparkafire

sparkafire

Well-Known Member
I had the same thing happen my last grow with Nova. Do all the plants have it or just some? oh sorry I re read it. I had 2 plants same hydro set up one had it the other nothing. Lower leaves right? Did not kill it just looked bad. Plants look healthy man.
 
budtoker0987

budtoker0987

Active Member
sparkafire said:
I had the same thing happen my last grow with Nova. Do all the plants have it or just some? I had 2 plants same hydro set up one had it the other nothing. Lower leaves right? Did not kill it just looked bad. Plants look healthy man.
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Ya it's wierd! I've got 10 total. 4 Wonder Woman (the big ones) and 3 Raspberry Cough (smaller ones) 1 NYC PD (Smaller one) ALL of those have had these spots on the oldest leaves. BUT the 2 OG Kush (medium size) HAVE NOTHING. Their leaves are perfect! AHHHH!!!! LOL>>> WTF :wall: Other than that they look beautiful, I think :)

The pics up there are of the Wonder Woman (darker leaf) and the NYC

Well I hope it is the nutes then, I was thinking of trying out Advanced Nutrients next time. Everything i've seen about it makes it look so much better than everything else.
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max316420

max316420

Well-Known Member
crazy thought but you might be overdoing the calmag which in turn is locking out calcium? Im not 100% sure but I think to much magnesium cause calcium lockout.. You might wanna do a little research on the matter
 
budtoker0987

budtoker0987

Active Member
max316420 said:
crazy thought but you might be overdoing the calmag which in turn is locking out calcium? Im not 100% sure but I think to much magnesium cause calcium lockout.. You might wanna do a little research on the matter
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Ya I will for sure. I use RO and at first i was just adding it to the water and NOT feedings. Since I've had this issue for about 2.5 months and it still didnt go away, someone was saying I should add cal mag to ALL my water.

I guess it made some kind of sense to me since if I was using water that already had enuf cal mag in it then it would aways be in there ya know? Feeding or not. And since I am using RO then I would need to supplement it, feeding or not. Sounds right doesn't it?? lol :)
 
budtoker0987

budtoker0987

Active Member
I dunno man, other than those leaves the plants as a whole all look beautiful. I just dont see how 8 of the plants have it and 2 dont :wall:

Just started flower. Today is day 4. I just dont want a disaster up ahead...

I have been trying to reseach and find out what this is for the entire time I've had it. SO like 2.5 months. Everything from cal, mag, ph, type of water. I'm just at a loss now :cry:
 
max316420

max316420

Well-Known Member
If there is a way to check your soils ph then do it, willing to be it's low. Don't do the water runoff method either cause it's not accurate
 
budtoker0987

budtoker0987

Active Member
sparkafire said:
Hey man check out the pics and discriptions here. http://books.google.com/books?hl=en&lr=&id=r9a9QZI9wnwC&oi=fnd&pg=PT12&dq=foliar+feeding+marijuana&ots=rwfgGplG6x&sig=Iv6GOafhpVlTcMyTy8LMdSha6QM#v=onepage&q&f=false I think I see your leaves
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Ya are you talking about the calcium pics?? I've seen pics like that and thats what started me to believe that I had a cal deff. The ph also looks kind of like if but not exactly... Good find ill be saving that :)
When I do get it figured out i'll be posting the fix FOR SURE!!! cuz i havent found it yet :(
 
budtoker0987

budtoker0987

Active Member
sparkafire said:
I was thinking Phosphorus.
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Ya i hadn't got down to that part yet but I agree it does look like it. Especially on the smaller lighter colored leaves I have there. The only thing is with that, I JUST started flower this is day 4. Those little leaves actually JUST started having that blotchy discolored look so it COULD be P deff for them.

The other leaves tho ( that darker larger leaf up there) doesn't have that blotchy look. It's like little dark freckles is the best way I can describe it. and besides calcium I cant find a deff that resembles it really.

My buddy was thinking maybe it's some kind of fungus?? But like i said those two OG Kush in there don't have any issues. I would think, and i can be completely wrong of course, that if some had fungus that all of them would get it. And they have all been together (touching) for over 2 months....
 
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