Marijuana Plant Problems Mystery Spots: Please Help Identify!
in the The Grow Room
forums; Correction:
My RO water reads 72 µS , not 72 ppm.
Sorry for the confusion. I'm correcting my original post.
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Learning How To Roll
Learning How To Roll
Correction:
My RO water reads 72 µS, not 72 ppm.
Sorry for the confusion. I'm correcting my original post.
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Originally Posted by
MisterWhilom
I apply a neem oil solution regularly and inspect just as frequently.
I'd be surprised if any pests got through.
Good thought, though.
then id probably say cal/mag like a few others did state, this is the early stages but it usually looks like these spots.
im on riu mostly during the outdoor season, so PM to get in contact, posts could take longer for a response but ill check in when i can.
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Originally Posted by
MisterWhilom
True, I'll mess with adding some tap water back into the solution to get my Ca & Mg.
Where did you get the 100 ppm figure?
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I've read The Bible by Jorge Cervantes, it explains about the water in a chapter.
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