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Old 05-28-2006, 09:16 AM   #45
Jufri
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Join Date: Sep 2005
Location: Jpn
Posts: 796
Default Re: Water Management

menurut yang saya pernah dengar,ph 7-8 bagus kok buat RTG.
kalo dah 3-4 bulanan filter makin matang ph turun dikit dikit juga
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