I have heard this is quite possible, due to breeding these days ie. Singapore.Does anyone keep Discus at this pH, and in a community type set up? How did you fair?
I haven't found any problems breeding with water at 7.2 pH. The slime coat was unaffected, but perhaps it depends on the particular pairs. No doubt there would be an increase in slime production at a lower pH.
Thirty-five years keeping and breeding discus, and I'm still learning :P