Lọc vi sinh cho bể cá là nơi cư ngụ của các vi sinh vật có lợi giúp phân hủy các chất hữu cơ hòa tan trong nước (có thể là bụi bẩn, thức ăn thừa, hoặc chất thải từ cá cảnh) làm cho nước của bể luôn được trong sạch. Đồng thời, các lợi khuẩn sống trong bộ lọc vi sinh còn giúp cho môi trường nước không có mùi hôi tanh, tạo điều kiện cho cá sinh trưởng và phát triển tốt hơn.
http://scratch.icm.edu.pl/vi/web/balaseo
https://comicvine.gamespot.com/profile/balaseo/about-me/
http://mdr-inc.com/UserProfile/tabid/43/UserID/54336/Default.aspx
https://www.gamespot.com/profile/balaseo/about-me/
https://flythemes.net/forums/users/mijocan/
https://academy.autodesk.com/users/blossom789
https://bbpress.org/forums/profile/fungla/
https://www.mips.com/forums/users/blossom789/
http://journal.human.cmu.ac.th/ojs/index.php/human/user/viewPublicProfile/442248
https://ken.pucsp.br/reb/user/viewPublicProfile/3345578
https://studiumfc.umontreal.ca/blog/index.php?entryid=13661
https://www.gapyear.com/members/fungla/
http://journal.human.cmu.ac.th/ojs/index.php/human/user/viewPublicProfile/496980
http://mdr-inc.com/UserProfile/tabid/43/UserID/52485/Default.aspx
http://jitps.ui.ac.id/index.php/Tourism/user/viewPublicProfile/253222
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