于 2004-04-13 00:09 9 x 6 x 6.5"H very 小魚缸.... with a tiny filter... just started today... how long should I 養水??? I am think of 2 fishes and a shrimp... can I add珊瑚???? I search this web that 鈕扣or菇 is easier... please give me some advice... is it VERY VERY hard for a small size tank???