BRS Bulk GFO Granular Ferric Oxide - High Capacity

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  • Remove phosphates from your tank with Granular Ferric Oxide

BRS Bulk GFO Granular Ferric Oxide - High Capacity

194 Review(s)

Choose a size

1/4 Gallon (1.75 lbs)
SKU: 000621
Preferred Reefers earn 215 points
1/2 Gallon (3.5 lbs.)
SKU: 000622
Preferred Reefers earn 395 points
1 Gallon (7 lbs.)
SKU: 000623
Preferred Reefers earn 645 points
5 Gallon (35 lbs.)
SKU: 000625
Preferred Reefers earn 2,995 points
  • Worth every penny By on 3/21/2017

    I upgraded to this High Capacity GFO from the normal BRS GFO about 6 months ago. I get roughly twice the life out of this stuff which is important because I am lazy at switching my media and I travel for work a lot. So any time I can save working on the tank to enjoy it more is worth it in my book.
  • Low residues or particulates By on 12/16/2016

    Very high capacity last longer than regular brand with almost no residues.
  • Performs great at a great value By on 11/24/2016

    Very little dust, lasts much longer than other GFO and at a solid return for your money.
  • Worth the money By on 6/26/2016

    Quick to rinse, works great.
  • dan would recommend this product to a friend By on 6/14/2016

    Very good product.
  • BRS Bulk GFO Granular Ferric Oxide - High Capacity By on 2/6/2016

    Very good product
  • Good, but not great By on 1/19/2016

    This stuff works pretty well. It rinses clean very easily but it is not removing phosphate as quickly as RowaPhos. It is less expensive and easier to use, so it will probably be good for maintenance, not leaching precipitated phosphate from your rock.
  • Great Product By on 12/27/2015

    This is one of many products that the saying "you get what you pay for " fits well
  • Love it By on 12/14/2015

    works great nice clean water
  • Runses clean By on 12/7/2015

    I prefer the high capacity GFO because it rinses clean almost immediately. Less messy than regular GFO and really removes phosphate.