GTI wrote: 冇問題
七仔 wrote: 3星期前開始轉鹽,每星期用新鹽換20%水,唔見魚有問題,但ORP & PH因為換鹽而有變。
基仔 wrote: 煲過的水,含氧量會下降,精制過的鹽一定唔得,至於海鹽便不知了。
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