I know discus are pretty particular, might want to check what their salinity levels are tolerant to, but the poly and dat should be fine with salt dosing.
I know discus are pretty particular, might want to check what their salinity levels are tolerant to, but the poly and dat should be fine with salt dosing.
this has nothing to do with breeding. if i was you id look for info in freshwater illness and do some reading before you post might just get your very common question answered