Angelfish1 wrote: fuwing28 wrote: 從前我有底沙,不過發覺真係污漕好多,所以而家無底沙啦。 感覺上好像很多污物積聚, 但有沒有想過那些看似污物的東西是硝化細菌? 只要底沙不厚(半吋左右)及有強勁水流, 底沙利多於弊. 至於清潔方面, coby魚及蝦都可幫得上忙
fuwing28 wrote: 從前我有底沙,不過發覺真係污漕好多,所以而家無底沙啦。
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