ericfung2 wrote: 硝化細菌第一次落多一點,其後每兩天落一點,當NO2爆紅時更要落多一點, 正常很快就會回落,當回落到零就表示n-cycle已完成. 以你個缸的size,你個造流勁了一點,我個36"缸都係用此造流, 化氮經濟抵用可選擇Bubble-magus,魚街大堡礁或生龍有售.
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