What are these spots on my plants????

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whuh

Active Member
Theyre in coco under a 250w air cooled hood. About a month old 5.8ph, nutes at 600ppm + 50-100ppm of calmag. temperature is fine. Any ideas on the problems? the first 3 pics are of one plant the last 2 are of another plant.. i dont think its the same problem since the spots dont look alike.
 
W

whuh

Active Member
Wouldn't under feeding cause the leaves to be more pale not spots? This is also only on a few leaves.
 
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donkeyshow

Well-Known Member
Just curious if you've grown in coco before. Also it looks like you made 3 posts? I have a mix that is about 50% coco for medium. I have similar spots and it is only a couple leaves. I researched it and it believe it has to do with too much calcium. Then I researched about coco and it said that it can lock up calcium and magnesium but i see that you have a higher ppm for than then the other so I assume you knew that. Anyways.. I watered it the day after I noticed and it hasn't gotten worse or spread to new leaves. Let us know if you find out
 
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lakersfan64133

Member
donkeyshow said:
Just curious if you've grown in coco before. Also it looks like you made 3 posts? I have a mix that is about 50% coco for medium. I have similar spots and it is only a couple leaves. I researched it and it believe it has to do with too much calcium. Then I researched about coco and it said that it can lock up calcium and magnesium but i see that you have a higher ppm for than then the other so I assume you knew that. Anyways.. I watered it the day after I noticed and it hasn't gotten worse or spread to new leaves. Let us know if you find out
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lol, I just wet myself.
 
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