Are you guys taking the sponge filter out of the GFO cartridge? It allows for better flow if you do.
Also I use the GFO Granular Ferric Oxide and the Premium ROX 0.8 Aquarium Carbon.
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Are you guys taking the sponge filter out of the GFO cartridge? It allows for better flow if you do.
Also I use the GFO Granular Ferric Oxide and the Premium ROX 0.8 Aquarium Carbon.
Last edited by polarbear; Fri, 20th Jul 2012 at 11:36 AM.
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