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  1. HELP! Otos are scraped up :(

    Catfish
    I had 5 otocinclus catfish in a planted 10 gal, it's been cycled and stable for about 4 months now. I wanted it to be mainly an oto tank, so I purchased 5 to start off with and I've had them for a little over a month, and this morning I found one dead :( My tank readings are normal, I do 20-25%...
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