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BRS Bulk GFO Granular Ferric Oxide

  • would recommend to do friend By Bryan on 4/19/14

    Great product 2 days after adding gfo to aquarium my phosphate dropped to 0. The algae also disappeared from the aquarium also.
  • Great product By Burt on 4/17/14

    I've used pretty much all the major brands over the past several years, and I've got to say this is the best GFO in the industry. Thanks BRS for making a great product, and making it affordable to have a clear tank, also your small particle lignite carbon and is a great product as well.
  • Pricey but worth it By Matt on 4/17/14

    I use it in a reactor and it performs as advertised.
  • GFO is the way to go By Benjamin on 4/10/14

    GFO is king for phosphate removal. I run it in a reactor, and it works great!
  • Highly Effective By John on 4/1/14

    Highly Effective. Make sure you follow the directions. You CAN overdose and your corals will suffer.

    Have used this product for years with excellent results!
  • great stuff at a great price By mario on 3/31/14

    this is great stuff at great price would recommend to use in reactor.
  • why pay more for fancy sounding name? By david on 3/28/14

    works better than some other phosphate remover. easier to follow dosing directions. no need for a crazy conversion table.
  • Great value By Dennis on 3/28/14

    Looking for a less expensive alternative to lower your phosphates. You found it. The BRS GFO is a great value for the money, especially for large bulk purchases
  • Good quality By jacyn on 3/27/14

    Good Guality GFO. A little pricey but I guess thats the norm.

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