fading color

  1. I

    neon tetra color fading in the morning

    Hi, I have 10 neons tetras, one black neon tetra and 5 black widow tetras, with some of the neons I have noticed that in the morning they are without color, almost sick looking, super pale, sometimes it's 1 of 10, sometimes it's 3 of 10, but always in just minutes of turning on the lights they...