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yellowing leaves
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  1. Fertilizers and Water Parameters
    Hey guys. I've been seeing some signs of some sort of deficiency that I believe is potassium. Older leaves are yellowing, turning clear, and some have holes. My tank is 4 weeks in with the plants and all. 20 gal and heavily planted with 1.8 WPG and high intensity. I was wondering, I dose with...
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