12-22-2012, 05:02 PM
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This is actually quite good for your soft water fish. Common terms like "hard" and "moderately hard" can mean different things to different people, and here is one example. I would class 8 dGH as at the high end of soft. I add Equilibrium to raise my GH up to 5 or 6 dGH, and I have all soft water fish, largely wild caught.
One caution on temperature though. The Blue Ram needs warmth, 82F minimum. Some of the other fish mentioned will be fine at this, some not. The corys will struggle and likely not last long, same for neon tetra. On the other hand, if you go with the Bolivian Ram, you can be down at "normal" community aquarium temperatures of 77-78F. My corys are spawning like mad in this temp, and they are with rummy nose tetra and other characins. And a Bolivian too.
Have a look at the photos of my Amazon Riverscape and Flooded Amazon Forest tanks, click "Aquariums" tab below my name on the left.