just finish helping one of my friends set up a salt water tank.he has had this one lil gold fish over 2 years now the gold fish does not grow he is about 2 to 3 inches his fish tank is gonna be a commuinty tank he was wondering if he can dump the gold fish in the salt water tank my advice was not to do it but he's not listen to me so my sec advice was to try n get the gold fish to adapt to the salt water i told him try adding salt lil by lil to his freash water tank see if the gold fish makes it and adapts to the salt water atleast give him a fighting chance b4 just dumping him in cuz i kno he will just die... any advice ...