于 2005-03-29 11:18 UV can only help to kill the bateria and clear the algae in water, can't 改善水質ga. 每星期都會換30%水, 吾會太密! It is good for new tank, can help to keep the stability of 水質.
養魚係一個贏贏的遊戲---a Win-Win game. You can win, I can win, all of us can win in the game at the same time. ^^