The Planted Tank Forum - View Single Post - The best bio filter media....um...ever
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Old 07-22-2013, 01:55 AM   #39
thelub
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I've been running them for several months now in an HOB and have no complaints. I don't really know how you can accurately 'rate' a media's filtering ability. FWIW I haven't had any problems with filtering the whole time I've had them.
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