cyc3705 wrote: 好多謝師兄俾咁多意見 1/ 加大過濾循環 (污物盡快排走); 係咪姐係要換化氮??/換上水泵? 2/ 加造流泵 (減少缸內死位聚積污物); 我想加多個MJ1200做流 會唔會勁得濟? 3/ 加大UV (減少藻胞子);氮 我有用緊臭氧
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