Can someone tell me what the problem is here?! Week three- autos. Starting to get brown-rusty spots.
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Rust spots
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How much Calmag supplement are you using? My personal experience indicates that a little extra, than Nebula Haze's guide recommends, prevented that.
Also, to help in the future, list what your setup is in your profile. It'll help the rest of us make recommendations. Good luck!A Legend...in his own mind - , 48" X 60" X 80" 2-in-1 Grow Tent, Flower light: Vivaspectra P2500 LED. Veg light: Mars Hydro TS600 & Mars Hydro TS1000 LED lights. Nutrients: GH Flora Trio/Calmag coco/perlite, GH PH Down or pure lemon juice, in case PH down isn't available.
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