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lokeyo:我的缸已经一年没换水了、只加水。我缸里放了金鱼藻。过滤是干湿分离,所以我滤材也很干净。 !? ?Cxs' (2016-06-30 14:11) Fdd$Bl.&XS
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shiwei334:弄个很大的池塘养2条鱼理论上可以很长时间不换水,家养的密度达不到生态平衡。 (2016-06-01 12:48) -y/?w*Cx
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