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bare minimum ferts

  1. Fertilizing
    Hi, I just got my first aqarium, it's a 5 gal tank has a filter and a heater, and it has 6 watts of light. I have a banana plant, Anubis and a moss ball. I have been using flourish, and so far they are doing well. I would like to maintain a low-tech as possible tank, no co. I might add some...