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brown spots
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  1. Plants
    I started a low-light EI dosing regime (K2SO4, KNO3, KH2PO4, CSM+B) on my 40b planted tank a week ago. I'm hoping this will stop the yellowing die-off on my dwarf sag and some pin-holes (potassium deficiency, I've read) on my ludwigia from when I first planted 4 weeks ago. All of my plants...
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