m&m wrote: 我經驗不足,我只有信數據,25 July 2010開缸,我買咗 "TETRA"牌嘅測試劑:PH = 8.0,No2 = 0.3mg/l,兩樣都應該都冇問題,唯獨係No3 = 25mg/l 左右或多啲 (對顏色),蕃茄係搶食舊魚都收口,昨晚換咗半缸水再測試No3 顏色冇分別,濾材 + 造流我有信心冇問題,我而家想買黑白波硝酸鹽去除機,板兄點睇?
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