Ferric Oxide

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    …to twice the phosphate as standard GFO by volume. We recommend this when you have a large tank or limited room in your media reactor. Granular Ferric Oxide (GFO) removes phosphate from the aquarium and is one of the most commonly used filtration media used in the aquarium industry.  GFO is one of…

    Starting at:
    $46.99

    …and reactors.  For the price Standard Granular GFO is going to be one of the best values when it comes to GFO for phosphate removal.   Granular Ferric Oxide (GFO) removes phosphate from the aquarium and is one of the most commonly used filtration media used in the aquarium industry.  GFO is one of…

    Starting at:
    $22.99

    Instructions and Guidelines FerroxiPhos-G should be housed in a media reactor, canister filter, or fluidized-bed reactor with a means of controlling water flow through the media bed, and with a pre-filter in place to restrict particulate material from entering the reaction vessel. Follow the reactor…

    Starting at:
    $14.99
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