SO SORRY I’ve been away so long. But I’m back to help…
Those leaves were exhibiting classic micro-nute deficiency. Typically corrected by the addition of CaMg. Starting at half strength as recommended on the bottle. By this I mean half the highest recommended dosage on the bottle.
Mineral Matrix does contain Magnesium, but no Calcium. Calcium is required by plants for rapid vegetive growth.
I generally suggest holding off on the mineral matrix until flowering begins. Then use it in conjunction with your CaMg at a rate of 3 drops/gallon…:-)
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