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Experimentgreenanswered grow question 4y ago
Oohh looking similar to a calcium deficiency. With all those rusty spots, but not on every leaf or finger of each leaf. Check your ph if its too high or low. If you haven't recalibrated your ph pen lately that can be a good place to start and is good to do every month or so.
Personally when i started giving a calmag supplement once a week, my plants and leaves got much happier.
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