catlee wrote: wsliew wrote: 請問一星期換幾多次水呢。。 換水時﹐抽多少缸水?? this can help u: http://www.practicalfishkeeping.co.uk/pfk/pages/water_change_calculator.php
wsliew wrote: 請問一星期換幾多次水呢。。 換水時﹐抽多少缸水??
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