水草情迷

Do 小精靈 is extremely sensitive to water quality?

Since I have bought many 袋裝小精靈, but they easily die without any symptoms.

Any good suggestion and technique to keep them healthy?

實際上，小精靈本身就是對水質很敏感的魚。
即是一般人所說的「無鱗魚」。紫]、鼠魚等都是。