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dark spots

  1. Hospital Section
    I have had this fish for 13 days and noticed this just before I was going to transfer her our of my quarantine tank. My 10 gallon quarantine tank is cycled, runs 2 sponge filters, contained 2 gouramis and 40 guppy fry while I have had these fish. I changed 25% water every 2-3 days with usually...