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Great product! I will be buying more of this! By Chris on 5/10/11
Chris would recommend this product to a friend
I bought this due to it's phenominally low price, and was a little hesitant. It turned out to be an excellent product, and easily performs as well as the higher priced brand name types. I plan to buy more, as soon as I need it. It doesn't require a ton of rinsing, and if you use half the recommended dosage, but change it out twice as often, I've found it works better at reducing algae, and keeps the system more stable. Thanks, BRS!
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No more phosphate By Jerry on 4/29/11
Jerry would recommend this product to a friend
An absolute must for a reef tank. Does an excellent job removing phoshate from the aquarium.
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Great product! By DJ on 4/15/11
DJ would recommend this product to a friend
Don't have a big problem with phosphates but I still run this product 24/7. Easy to use.
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Good Stuff! By Steve on 4/11/11
Steve would recommend this product to a friend
Works great.......wouldn't run a reef tank without it.
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Good Stuff! By Gabriel on 4/8/11
Gabriel would recommend this product to a friend
I could see the growth take off on my sps corals immediately after using this. Highly recommend.
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Cuts down that Phosphate By Jetthril on 3/30/11
Jetthril would recommend this product to a friend
Unlike most other folks would use this product in a reactor, I used this product in a media bag. Be sure to rinse out the dust before use. Due to the fact that the GFO bunches up after getting wet, I would recommend using less than what the calculator on this website recommends and change the media more frequently (not every 8 weeks), that way you water can more easily flow through the media, and the GFO can more easily take out the phosphate in the water.
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great By jesse on 3/28/11
jesse would recommend this product to a friend
works and performs great in my brs reactor..
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Works great in a Freshwater Planted Tank By Duane on 3/20/11
Duane would recommend this product to a friend
I first of all borrowed some GFO from a fellow reefer to use in my Planted FW Discus 90gal. I was having a terrible time with algae. I followed the directions on the BRS "Information" page and set up a reactor with the GFO. Within a few days, my Phosphate level went for a 2ppm to a .5ppm. The GFO helps maintain the Phosphates at a acceptable level. It does not zero the phosphates out because my substrate leaches phosphates into the water and I want low level phosphates to aid in plant growth. So I have found this stuff works perfectly for me. So I purchased my own BRS GFO, which is a much better buy than the name brand. Thanks BRS!
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Best GFO on the market By Rick on 3/17/11
Rick would recommend this product to a friend
Don't be fooled by other "branded" GFO, this one works, and works well. I've used it for years and test 0.0 PO4!
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Effective GFO By Michael on 3/17/11
Michael would recommend this product to a friend
I have a 100 gallon heavily stocked SPS tank. The BRS Granular GFO is by far the best cost saving choice and maintains phosphate at nearly zero as well as any of the name brand GFO. I've tried many of the different types on the market and have observed no difference in coral growth and calcification. It is an effective GFO at a fraction of the cost. Keep in mind that running GFO is reported to knock down magnesium levels. You may need to order the magnesium supplements from BRS and a test kit to maintain your levels. Another option is to run GFO sporadically to knock down the phosphate levels and reduce amount you feed. For best results start running GFO with a new tank.
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What Phosphate? By Kevin on 3/15/11
Kevin would recommend this product to a friend
What can I say about the GFO? it works as described and extremely fast. The cost is super cheap compared to other brands and way more then enough to last for months. Great job BRS!
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Awsome product By Keifer on 3/15/11
Keifer would recommend this product to a friend
I order this stuff after I got an algae break out and this stuff cleared it up right away. 5 stars all the way!
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Does what it is supposed to do at a fair price By Larry on 3/14/11
Larry would recommend this product to a friend
I run BRS GFO in a 2LF 150 reactor. Keeps phosphate levels @ 0. Did a great job helping me get rid of some hair algae.
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Great product and better price!! By Ryan on 3/13/11
Ryan would recommend this product to a friend
This GFO is great and is working wonders on my reef tank and has ruduced my phosphates to nearly zero and twice as cheap then my local pet store and is one of the most important things to use in a reefer tank IMO..
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amazing product By Jason on 3/7/11
Jason would recommend this product to a friend
I use this in a gfo/carbon reactor and the water clarity in my tank has a drastic improvement. I no longer have to clean the glass every day, its now once a week
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Great! By Hi Salenity on 3/6/11
Hi Salenity would recommend this product to a friend
Man if you don't use GFO you need to! This is nice stuff with very low dust
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Great product By Will on 2/23/11
Will would recommend this product to a friend
I use GFO in BRS reactor along with snails crabs, shrimp and a tang to keep algae away. The only thing that grows on my live rocks are coral and purple coraline, thank you GFO!
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Great product By adam on 2/23/11
adam would recommend this product to a friend
for anyone that doesnt know, this product is basically the same as phosban. the only difference is the granule size may be a little smaller and that its a ton cheaper.
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GFO Works! By Bernardo on 2/16/11
Bernardo would recommend this product to a friend
Used this in my sps reef. Corals colored up quickly and algae was almost nonexistant.
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Love This Stuff. By David on 2/15/11
David would recommend this product to a friend
There isn't much more to say. It works, it does so without an excess of fuss, and it is easy to use. If you have any phosphates, this is the way to go.
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Excellent GFO! By Fredy on 2/15/11
Fredy would recommend this product to a friend
I love the fact that I do not have to worry about algae any more! I wish I had started using this GFO years ago!!! Thank You BRS!
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What a great value By Mrfairywrasse on 2/6/11
Mrfairywrasse would recommend this product to a friend
I have tried 5 different GFO products in the last 4 years and this one is the best. Easy to rinse, very effective and an incredible value over other products. NO more hair algae!
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Does a Great job By Metal Man on 1/31/11
Metal Man would recommend this product to a friend
This GFO saved my tank from a GHA plauge. Now after Iv pulled it off Iv got a cyano out break, so it looks like I will be ordering more.
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Works Great By Zach on 1/22/11
Zach would recommend this product to a friend
I've been using this GFO for about 6 months and it works great.
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its ok, but sub par By Chu on 1/19/11
Chu wouldn't recommend this product to a friend
It only stops my cyano from spreading further but does not remove it completely.
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Awesome deal! By Mike on 1/10/11
Mike would recommend this product to a friend
Thus makes robbing a bank seem hard! No more wasted money on over priced competitors products. This is what you want!
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Great By Daren on 1/10/11
Daren would recommend this product to a friend
Works Awesome. Great Price.
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works great!! By Donald on 1/10/11
Donald would recommend this product to a friend
I had a lot of hair algae, after using this product for a few weeks the algae is dissapearing......awesome""
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Great Value By Richard on 1/3/11
Richard would recommend this product to a friend
I always purchased the expensive brands until I tried BRS, the quality is the same or better but SO much cheaper. Thank You.
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more product for the $ spent By brad on 12/29/10
brad would recommend this product to a friend
more product for the $ spent,i had a bad algeae outbreak and it helped cut my algae problem now i know it's time to replace my light bulbs
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GFO By Jamie on 12/29/10
Jamie would recommend this product to a friend
Completely eliminated my self induced phosphate issues. Excellent product. Already have recommended to many friends.
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GFO WORKS GREA By JOHN on 12/29/10
JOHN would recommend this product to a friend
A LITTLE PRICEY BUT A GOOD VALUE COMPARED TO OTHERS ON THE MARKET, WORKS GREAT
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Great Product! By Grant on 12/9/10
Grant would recommend this product to a friend
Definitely keeping my phosphates in check and my slight bit of algae I have is starting to die off. Well worth the price and great value!
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Phosphates at ZERO! By Michael on 12/6/10
Michael would recommend this product to a friend
I bought this product because no matter what I did my phosphates would stay about .5ppm. I use it in a phosphate reactor and my levels have been at 0.0ppm since then. I would recommend this to everyone with a phosphate problem.
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Great stuff By Jackri on 12/4/10
Jackri would recommend this product to a friend
I'd give the value 4 stars due to the cost.. but the stuff flat out works and works good!
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great product By Erick on 12/3/10
Erick would recommend this product to a friend
This is the best phosphate remover that i have ever used. currently using on a sps tank. great product for $$
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this stuff is great. By Chris on 11/22/10
Chris would recommend this product to a friend
i had a bad algae outbreak.i got it from a coral Frag.i had Brown algae, green algae and bubble algae.i could not get it under Control.so i tried this GFO and BRS GFO and Carbon Reactor .i used a cup of GFO in the Reactor in two days it was under Control and is starting to go away.i could not be happier
now my 75 Gallon Aquarium look great
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Excellent Product By Austin on 11/22/10
Austin would recommend this product to a friend
I recently began using a GFO reactor to help in keeping my walls and LR clean of algae. What I like about the granular GFO is that it tumbles well in the reactor and being small granules it has huge amounts of surface space to absorb through. I've been running it for several weeks now and have noticed much improvement in my algae issues.
I defiantly recommend granular GFO!
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Phoshpate destroyer By Ryan on 11/16/10
Ryan would recommend this product to a friend
This definitely works with removing phosphates. Well worth the money!
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wiped all algae in 1 week By daniel on 11/14/10
daniel would recommend this product to a friend
i had some good growth of hair algae and within 1 week of adding gfo to BRS dual reactor/ with carbon algae growth was gone
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great product indeed By Justin on 11/12/10
Justin would recommend this product to a friend
Keeps phosphates at 0 and that's where it needs to be. I use this product in dual reactor chambers and I do use a lot.
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GREAT GFO and a great price By James on 11/7/10
James would recommend this product to a friend
This stuff is as good or better than any other and the price you wont beat!
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Better then expected! By JASON on 9/25/10
JASON would recommend this product to a friend
No more PhosGuard!
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EVERYTHING YOU READ IS THE TRUTH By spollock818 on 9/23/10
spollock818 would recommend this product to a friend
i BOUGHT THIS PRODUCT A LITTLE SKEPTICAL AFTER ALL OTHER P04 PRODUCTS FAILED. o WAS AT A CONSISTANT .50, AND AFTER 48 HOURS, ITS 0.0. I WILL ONLY BE USING THIS IN THE FUTURE. mY ALGEA IS DYING OFF AND MY CORALS ARE MUCH HAPPIER NOW. I WOULD RECOMMEND IT TO ANYONE
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Great Value By Michael on 9/12/10
Michael would recommend this product to a friend
with the BRS reactor, this GFO is not only affordable, it does a great job. I originally purhased this when I had a dyno outbreak, which went away! But now its just part of my system. I use 2TSP per 4 gallons of water, change about once a month.
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Works good By ReefKrazy on 9/1/10
ReefKrazy would recommend this product to a friend
Works good lowered my PO4 in a single night I would recommend using this but I feel that the HC GFO would be better because you can treat a larger water volume in the same size reactor cartridge and can still leave a little room for tumbling. Plan on having some water made up for rinsing.
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Great product. By Bill on 8/31/10
Bill would recommend this product to a friend
Have yet to get a reading other then zero from a phosphate test since i started using this product. Very low dust, once flow is set through reactor dont have to mess with and it never clumps.
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great product By Chester on 8/18/10
Chester would recommend this product to a friend
great product, fast shipping, love BRS will continue to do business