標題: 泥會降低gh值?? [打印本頁]

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作者: 97100109    時間: 2009-6-24 16:51     標題: 泥會降低gh值??

泥會降低gh值??
我home水喉水有4 gh值
但係我個蝦&草缸d水得2 gh值???

why會咁ga呢??咩因素令gh值下降???

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作者: wmh714    時間: 2009-6-24 18:19

泥底既gh值應該會係低既,
好似話加返d黑土可以升返~

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