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osmocote potshots

  1. Substrate
    My 55g tank has medium gravel (slightly smaller than pea sized) on the top layer and laterite below. I found out that laterite doesn't contain a lot of macros, which explains why my swords arent doing well. My question is, is it safe to add ferts like osmocote plus gel caps or osmocote potshots...
  2. Fertilizers and Water Parameters
    I can't get hold of Osmocote Plus Gel Caps right now so I thought I would give the potshots a try since my swords r showing signs of N deficiency. It seems that laterite and Seachem root tabs aren't enough. As far as I can tell Potshots pretty much the same as Osmocote plus in terms of NPK...
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