Is this a deficiency or nute burn?

Advanced nutrients: connoisseur bloom A and B, few supplements ppm 1100-1280

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Not all leaves are like this top ones on one plant are!

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You have a full pic?

Calcium deficiency it looks like. Your plant still shows good signs of Nitrogen so you’re good there. Do you know your nutrient ratio? Weekly feedings? What strain? Looking at the stem on the leaf it’s purple. Trying to see if it’s genetic or phosphorous deficiency. What are your temps?

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Of the plant?

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So was feeding full strength A and B now down to half however this particular strain: King Sherb by IHG is pretty purple the other phenos less so and don’t show crispy leaves like this. Lower leaves look ok, however it’s close to the light: HLG-300 rspec. Temps are around 22-24c RH 50%

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Yes please.

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Looks like lacknof nutrients not nutrient burn… Or maybe be too close to the light also… Hard tell you without all specs

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