Anyone know what these spots are caused from

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    • https://www.wikihow.com/Deal-with-Black-Spot-Leaf-Disease?

       

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      • think i would go with growweedeasy.com i like them i would think a calcium problem ... a picture of the whole plant will help but a clue 2 the problem is where the problem leaves r on the plant mobile or in mobile nutrients ....

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      • C

        It's definitely a Ca prob, but why is it happening, that's the question you need to answer. Start checkin PH, EC, but mainly your notes. Ca uptake is dependent on RH too .  Kinger is right on when asking for a bigger pic too. Don't be afraid to flush if needed !! 

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        • The humidity in my house & tent always stays around 30% and I usually use coco coir but I have only seen cal def twice in the last 4 years.

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        • C

          @ZZtop...Your welcome ! I LOVE THIS SHIT !https://hortamericas.com/blog/science/how-to-avoid-calcium-deficiency-in-controlled-environment-food-crops/ 

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