NORTHERN LIGHT AUTO FROM Seedsman.
Coco coir perlite mix
4x4 tent with 2 600w LEDS
Temp 73-77
RH 40%-55%
Plant gets fox farm trio at half strength with 3ML of calmag per gallon.
Looks like Cal Mag defenciency to me, but not sure. Plant always get PHed between 6.0-6.7.
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Bump up the CalMag. I usually do 5-10ml per gallon - especially when growing in coco coir. It's hard to become toxic in calcium or magnesium but most CalMag bottles have nitrogen in it too so keep an eye out for nitrogen toxicity. Did you rinse and buffer the coco prior to using?