^ agree that Barys are buggers to acclimatise, from both personal and close friends experience.
At 4 months I think you can assume you have made it, always keep an eye on its belly and poo for possible issues.
Haven't read any of the sites you list so will have a look through them when I hhave time, I get my info and input from Planet Catfish, Pleco Planet and L-welse (through google translate)