Very Low Ph Fish

[MrMagoo]

So what are good very low PH fish. Like 6.5 low PH?

 

[littlest]

I think any fish from the amazon basin and there abouts would do well in those pH. This includes tetras. Rams also prefer a low pH.
Alot of common fish will be fine in that pH though.

 

[Mr._Fishy]

littlest is right. Adult discus will thrive in a pH down to 5.5 assuming the water quality is good. Many fish that prefer a neutral pH will live happily in acidic water. My pH is 6.6 or thereabouts and I keep bichirs, killies, eels, and much more.

Ryan