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    yellowing of oldest leaves?

    Hi all, Having an odd problem. Oldest leaves are yellowing. I already plucked off the two oldest fan leaves which were totally yellow, now it seems to be "spreading" outward. Help? Setup description: DWC, 1 plant. Res: 73F temperature, 5 gal, 2 airstones PPM: 900 pH: 5.5 Nutes: General...
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    Root rot or nute staining?

    Basic info: DWC w/ top drip Res temp - 23C / 73F Nuts: 2000PPM general hydroponic Supplement: 2tsp/gal HydroGuard 2 large airstones Roots do not feel slimy at all and no smell. The color of my roots is kind of surprising. That being said, the General Hydroponic Micro is very brown. Is this...
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