06-12-2013, 10:15 AM
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Originally Posted by gema
I have soft water 2.2dGH and pH of 7.2 from the tap but has naturally lowered to 7 in my tank which I'm guessing will happen in my husband's tank as well?
Yes, nothing should be different unless something is plac ed in the tank that targets GH, example calcareous rock or gravel or sand will harden the water. But otherwise, expect the parameters to be much the same. More organics (wood, leaves, detritus) will soften slightly of course.
You have many options for fish with soft water. There are several cyprinids that would work, the rasbora especially. Among the characins the pencilfish, some of the tetra (the non-active species). Catfish, corys will be fine. Avoid loaches (other than perhaps kuhlii), they need swimming room and most grow large anyway (for this setup).