Granular Ferric Oxide

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    …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…

    $46.99 Regular Price: $

    …BRS GFO works great in filter socks 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…

    $22.99 Regular Price: $

    …phosphates and silicates as well as other dissolved organics to assist in the control of nuisance algae.   By combining GFO (granular Ferric Oxide) with Boyd's premium pelletized carbon and placing these inside of a fine-mesh nylon media bag, Chemi-Pure Elite delivers a convenient and…

    $7.65 Regular Price: $

    Overview * Directly and efficiently removes reactive phosphate from aquarium water. * Also removes silicate and phosphate-based organic material from aquarium water, often resulting in improved water clarity (particularly in aquaria with heavy bioloads). * Safe for use in all…

    $14.99 Regular Price: $
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