于 2003-10-10 00:32 化咸? actually i also have a small fresh water tank and i have put a neon tetra from the fresh water directly into the marine aquarium .... after less than five minutes the neon tetra died.,,,, and float on the water so may i ask is it have to 化咸 very slowly? start with half fresh half salt water than salt water? ,????? which type of fresh water fish is good in doing this purpose?波子?