04-06-2012, 01:25 PM
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Originally Posted by Byron
And water parameters. Neon tetra require soft slightly acidic water (pH below 7), and while they may "manage" in harder more basic water, there is a limit to how much and how long; this can be very stressful, and the symptom you describe is one of stress fro something. Platy on the other hand need medium hard or harder water, with a basic pH (above 7).
Tetra also need a group as someone mentioned, and they need lots of cover; they are fish from generally dark waters and like to have lots of cover over them and around them. They will be out and about more if they know there is cover nearby.
Tetras don't need a low Ph. I keep my neons at a ph of 8 and they are fine. As long as you have a stable ph they should be fine.