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Old 01-12-2006, 05:41 PM   #2
JD Winata
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Join Date: Jul 2003
Location: Denpasar , Bali
Posts: 5,467
Default Re: Patokan mengganti media filter

Selain keramik rings dan biobal ,kapas wool tiap bulan ganti , arang dan zeolit tiap 2 bulan , percepat frekwensi pergantian jika utk filter kolam
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