LOL I have bred plenty of "softwater" apistos in my hard local tapwater. Hell discus are bred in hard water. A fish's behavior depends on the fish. I have some borelli that are absolutely nasty, and others that are fine same with cacatouides, agassizi, Inka 50s, Algodons etc. It depends on the fish. Right now I have a female Inka 50 sitting on a clutch of eggs in 7.8 water. Good luck with whatever you decide on. You will have luck with cacatouides, borelli, pretty much anything thats commonly available as long as your water is clean, plenty of hiding spots, and your feeding them good. Good luck!
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