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What could it be.
Homestickycannabisstarted grow question 3 years ago
Hey all I have a Lemon Pie auto that's displaying some discoloration on the leaves. It started at the main bud sites and almost appears to be a Cal Mag def.
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Leaves. Other
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Organomananswered grow question 3 years ago
Usually if it starts with the upper leaves it is a trace element deficiency of some sort, most often iron.
A dose or two of a soluble trace element mineral mix available from any garden centre will cure this problem rather quickly and be of benefit to your plant in general.
Cheers, Organoman.
Hydro_Hiebsanswered grow question 3 years ago
Hi there. Looks like a cal mag deficiency. Also if your PH is out of range in the medium it could triger a cal mag deficiency to show to do lock out issues. Seems like your feedings are on point so I'd start with the PH of the soil. My organic plants grow best with soil pH of 5.8 - 6.8.
Also while your testing the PH might as well check your PPM to make sure it isn't getting out of range. At this stage my plants love it around 1100-1200 ppm. Hope this helps! ☺️
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