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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

175 Review(s)

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1.75 lbs
SKU: 000621
Earn 59 Reward Points
1/2 Gallon (3.5 lbs.)
SKU: 000622
Earn 99 Reward Points
1 Gallon (7 lbs.)
SKU: 000623
Earn 179 Reward Points
5 Gallon (35 lbs.)
SKU: 000625
Earn 799 Reward Points
  • Seems pretty great By Damon on 6/10/2015

    Virtually no dust so rinsing is quite fast. Fluidizes very well and doesn't seem to break down like RowaPhos... Also seems to pull a bit more phos compared to RowaPhos but not sure if this is fact or perception. Overall, I like it!
  • Works Great By Brian on 4/28/2015

    I use this for phosphate removal on both my 150 reef and my 65 gallon predator tank. I usually change it out every 6 weeks and use a reactor for it. I check my phosphate's weekly using a Hanna checker and rarely do I get anything above a .02.
  • Good stuff By John on 4/11/2015

    Seems to remove a little less PO4 than ROWAphos, but is much easier to use. Not much dust when rinsing before use. Works well in BRS deluxe reactor, slightly fluidized, without the sponges installed. Just started regenerating it, which seems to work well.
  • Good product By Tripp on 4/1/2015

    Using the high cap GFO. Can't compare it to standard, but it is very effective in PO4 removal. Definitely use a small amount when starting out. I used 1/2 of the recommended starting amount and built up slowly from there. Didn't have any issues
  • FRICKIN AWESOME By Wrath of Poseidon on 3/6/2015

    i have lots of fish lots of corals in a 150g can go 2 months with out what changes
  • Very Happy By Benjamin on 3/5/2015

    Been running the HIgh Capacity GFO for two years in two different tanks. On my 90gal. I have the BRS dual reactor with GFO and Carbon. Since running the HIgh Capacity GFO, my phosphate levels are non existant.
  • GFO high cap By Mr. Fish on 3/5/2015

    Great product love it!
  • Solid Product By MarkO on 2/28/2015

    Works. Noticeably higher capacity than regular GFO. Not sure how much, however.
  • Easy and efficient! By Tony on 2/26/2015

    Using with a mix of Rox carbon in my Deluxe BRS reactor and ran clear almost instantly!
  • Great start By Ken on 2/14/2015

    Its the perfect size to get your new GFO reactor off to a great start

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