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BRS Bulk GFO Granular Ferric Oxide

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BRS Bulk GFO Granular Ferric Oxide


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1 lb
SKU: 000600
Earn 21 Reward Points
1/2 Gallon (2 lbs.)
SKU: 000601
Earn 39 Reward Points
1 Gallon (4 lbs.)
SKU: 000602
Earn 61 Reward Points
5 Gallon (20 lbs.)
SKU: 000603
Earn 279 Reward Points
  • incredable By ttboys on 2/15/2015

    wow this gfo works fantastic .I had quite a algae problem going ,but in one weeks time have reduced to almost none at all
  • Excellent By luis on 2/15/2015

    This works very well and I have only been using my gfo from brs. Very straight forward I run mine in a canister along with brs carbon in another canister I simply fill, install open my ball valve and rinse with tank water until dust particles at minimal or just until water comes out clear so it helps with a 1-2 gallon water change in my total 90g reef. Also I only have to change it every month and a half to two months on my bio load very good. Thanks BRS!
  • Good Stuff By Chris on 2/13/2015

    Started using this GFO in a BRS single reactor mixed with Carbon after having a green dust algae bloom in a newly established reef. I noticed differences the next day. Removing the phosphates completely killed off the algae within a week. Thanks for the advice BRS, good media!!!
  • great product By Andre on 2/4/2015

    It worked great for lowering phosphates... thanks brs!
  • Great! By Jason on 2/3/2015

    Great GFO at a great price, Can't go wrong here
  • So far so good By japicka on 1/31/2015

    I have this in a phosban 150 reactor along with the BRS lignite carbon, I am about a week in and once I got the flow right through the reactor I can tell an immediate difference. I was using seachem sea gel and it worked ok, but this combination works SOOO much better. Nuisance algae has been all but stopped. I used to have to scrape the tank sides about once a week, once I got this stuff up and running I can tell the growth on the glass has slowed WAY down. Phosphates were always pretty low in my tank, but this stuff has it basically at 0, or just above. I have not been running it long enough to probably get it all the way down yet. I not looking back I am going to run this stuff from now on.
  • Good Product By Jason on 1/22/2015

    Good Product
  • a must By Christopher on 12/24/2014

    This works wonders if you follow the instructions. I've been running it for close to a year now, and it is a staple for sure. You must use the correct amounts, and you must change it out. Don't expect results if you are to frugal with it.
  • Good Product By Wade on 12/23/2014

    Been using a cup of this in my reactor for about two weeks and i can already see a difference in my tank. Algae is almost gone. Phosphates are virtually at 0 now. I will continue using this product as long as I have an aquarium.
  • It works like it should By Mark on 12/23/2014

    I've been using this in a filter sock in my hob filter. Although not the most efficient use of GFO it still does a great job of keeping my phosphates low. I only wish I had a larger setup so I could use a media reactor.

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