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BRS Bulk GFO Granular Ferric Oxide - High Capacity

  • Wouldn't be without it. By Gerry on 8/21/2014

    I used to suffer from high phosphates and had unsightly hair algae growing. I tried water changes and scrubbing rocks. I finally tried GFO which worked well, but was messy to work with. I decided to try the high capacity and I will never use anything else again. This stuff is awesome and is very clean to work with. Hats off to BRS for this product.
  • Does its job, works good both in my wallet and in my tank By DOMINICK on 8/21/2014

    Does its job, works good both in my wallet and in my tank
  • Keeps PO4 in check By danny on 7/31/2014

    Very low dust unlike other types of GFO & you use less of it to achieve the same results which reduces stress on your pump. My PO4 levels are around 0.03 ppm using the HANNA CHECKER.
  • Best GFO on the market By Sean on 5/26/2014

    This is the best GFO I have used before. It lowers my Phosphates better than any other product on the market. The corals have noticeably become more colorful as well. Good product!
  • Regular vs Hi-Cap GFO By Drew on 5/11/2014

    I goofed and ordered Regular GFO instead of the Hi-Cap that I normally order.
    YES.... there is a difference.... My Phosphate levels have reacted accordingly.

    I have double the PO4 than I normally have when using the Hi-Cap.

  • High Capacity GFO. By Śruba on 5/10/2014

    I would buy it again because this media works very well for me. Try it yourself and see what I mean.
    Thank you BRS.
  • Look no further! By MUSBFRANK on 4/30/2014

    Let's just say I had a serious phosphate problem and tried several other medias. I put the recommended amount of GFO in a nylon sock and pumped water through it with a powerhead. It's a 750gal reef tank and the phospates had soared up to 2.0, after putting the GFO I tested the water roughly 3 days later and they were barely detectable. Can't say enough about this stuff and I will never use anything else!
  • Works Great!!! By Andy on 4/4/2014

    2nd time ordering & works great with fantastic perfect water parameters.
  • Very good at removing phosphate By KEVIN on 4/2/2014

    Works great. It's a little pricey but it does what I need
  • great stuff By Chicago on 3/25/2014

    nice and clean. I use in my reactor. With other brands took like 15 gallons until clean and clear water was following. With this high capacity only takes like 5 gallons to run clean. Love it and would recommend for all phosphate issues. Of course you cant beat the BRS service and price.

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