ckkricky wrote: 我想問如果ph低會有什麼不良的後果呢? 到幾多為之低呢? 之前養開一些比例易養的仙魚一路都無留意呢方面的數據,但最近轉玩蝶魚之後發現比較難令它們開口,唔知ph值低有無關係呢?
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