I would like to keep many Amazon fish from discus to geos, but they don't do well in my hard tap water. I tried geos for a while, though survived and even grown to large size, they were disfigured by HITH which is worse than death.
I would also like to keep many large CAs such as Midas, Parachromis and Herichthys species, but I don't want to maintain a huge tank to house them. These tank busters need at least 300+g tank to look good and behave naturally. I have no interest in keeping a solo wet pet and much prefer keeping a community to appreciate their interactions and breeding behavior. That constrains me in keeping only medium size fish up to 10 inch maximum in my 75 to 125 tanks. I just sold my 14 inch Vieja which look cramped in my my 125 even though he is a gentle giant and never bullied small fish.
I would also like to keep many large CAs such as Midas, Parachromis and Herichthys species, but I don't want to maintain a huge tank to house them. These tank busters need at least 300+g tank to look good and behave naturally. I have no interest in keeping a solo wet pet and much prefer keeping a community to appreciate their interactions and breeding behavior. That constrains me in keeping only medium size fish up to 10 inch maximum in my 75 to 125 tanks. I just sold my 14 inch Vieja which look cramped in my my 125 even though he is a gentle giant and never bullied small fish.