于 2002-03-19 15:48 Yes but mine don't have any 鑽沙動物. Ideally, the system is good for larger coral tank but as I said it will work if you don't overload the system by keeping too many fishes because the bio-filter cannot handle it.
Since my tank is still very young and I do 1/3 water change every 1-2 week even when it seems not necessary.