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  1. 28-04-20, 11:39 AM #1
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    Default Magnifyed image of leaf showing spots - disease or natural?

    Ayeo,

    I took some pictures yesterday and I noticed spots showing up on some of the zoomed in close ups. This appears on all five plants. I cannot see the spots whiteout a zoomed picture though.
    I noticed a powdery dust on my fan bladeslast week and cleaned it up. It appeared to be hard water/calcium buildup not bacteria. But now looking at the photos, I'm beginning to wonder if this is an issue.

    4x4 grow tent, three 6" fans on 24/7, oil based heater, cool mist humidifier,
    6" intake and 8 " exhaust fans. LED SP4000 22"from top canopy.
    Growing 3 in five gallon & 2 three gallon smart pots. Soil is FFOF. Temps are 60F to 85F RH range is 40% to 75%
    Occasionally foiler spray liquid seaweed just after lights out..

    Please check out the picture, and help me figure out what this is.

    Thanks,
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    GEORGE (28-04-20)
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