Is this a calmag problem?

Slickchigdogstarted grow question 9mo ago

What problem do i have? Is it calmag? Help please. I grow in lightlix biobizz and with biobizz fertilizer

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Leaves. Color - Black or grey

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Pi_growinganswered grow question 9mo ago

This is not just cal mag. How much watt led used How much cm from plant and how much %? Did you use 100% of shema on every watering?

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