06-25-2012, 11:23 AM
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Originally Posted by War Monk
Ah yes, well spotted. Unfortunately I got them before I appreciated the importance of water ph/hardnesss. Would happy off load them to someone/lfs but my son has named them and is very attached to them now. How can I give away a tiny guppy called Chop Wood? I'd be a monster.
But on a serious note I would like to try and find a happy middle ground for the livebearers if one exists. Is there any scope for overlap between them and the tetra's I have and intend to get (will post another thread about that one)?
In my view, no, based on the science. Rather than go into the reasons, I will refer you to my article on stress which covers the problems fish have with water parameters (hardness, pH and temperature) outside their preference. http://www.tropicalfishkeeping.com/f...um-fish-98852/
However, it depends upon species. Livebearers absolutely must have medium hard water with a basic (above 7) pH. Most tetra are soft water fish. But a few species, thinking Pristella Tetra for one, do occur in a wider range of parameters naturally, so they will adapt. But fish like neon tetra and cardinal will not be healthy in hard water and always have a shorter lifespan as explained in that linked article.