Thursday, September 19, 2002 10:32 AM, bao_aqua@ - Zeolite That Su Co Hieu Qua Khong ? Vua roi toi co doc ban tin Thuy San thang 9 cua Cong ty Bayer co noi : Zeolite khong co hieu qua gi doi voi viec hap thu khi doc, lang can, gay mau nuoc va on dinh pH o do man tu 0 - 34 ppt vi chu khong co kha nang phan giai va hap thu cac ion nhu cac nha san xuat dua ra.toi rat mong Viet Linh hoi dap cho toi som ve tinh chinh xac cua thong tin  nay.

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