algea free By Benjamin on 6/7/2011
Benjamin would recommend this product to a friend
Working great so far. Tumbles nicely in the dual filter system.
what you need for phosphate control By Alan on 6/4/2011
Alan would recommend this product to a friend
This matches the effectiveness of the name brands and comes a good deal cheaper. I can't justify going back to the others anymore.
Easy to use By John on 5/31/2011
John would recommend this product to a friend
I have always used this in BRS reactors which make it easy to use and replace. I watch the rate at which algae grows on my glass as a basis for when to replace my GFO. This product is great for beginners and experts.
Great Product By Aide on 5/27/2011
Aide would recommend this product to a friend
I have used other GFO products but by far this is the best I have come across. Very easy to rinse and use. I would definitely recommend this product to anyone
Great Product By Nicholas on 5/21/2011
Nicholas would recommend this product to a friend
Even with just running in a filter sock, my phosphates dropped by half in just 2 weeks. MAKE SURE YOU RINSE BEFORE USING. This stuff turned my tank red for about 2 days, but that was my own fault. Highly reccomended!
phosphates @ Zero By greg on 5/15/2011
greg would recommend this product to a friend
Great product, I would highly recommend to everyone. I use it regularly in the dual reactor and have had great results.
Excellent product, excellent price By shaungee on 5/11/2011
shaungee would recommend this product to a friend
This product exceeded my expectations from what I had in mind after seeing the price. This is by far some of the most effective media I have found to date. Within 72 hours, my PO4 levels zeroed out and have not risen in two weeks. Amazing stuff!
Inexpensive By Tim on 5/10/2011
Tim would recommend this product to a friend
Purchased this a couple of years ago when it was sold in bag form and it's a solid performer. Performs just like the big brands at a fraction of the price.
Great product! I will be buying more of this! By Chris on 5/9/2011
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!
No more phosphate By Jerry on 4/29/2011
Jerry would recommend this product to a friend
An absolute must for a reef tank. Does an excellent job removing phoshate from the aquarium.
Great product! By DJ on 4/15/2011
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.
Good Stuff! By Steve on 4/11/2011
Steve would recommend this product to a friend
Works great.......wouldn't run a reef tank without it.
Good Stuff! By Gabriel on 4/7/2011
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.
Cuts down that Phosphate By Jetthril on 3/30/2011
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.
great By jesse on 3/28/2011
jesse would recommend this product to a friend
works and performs great in my brs reactor..
Works great in a Freshwater Planted Tank By Duane on 3/20/2011
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!
Best GFO on the market By Rick on 3/17/2011
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!
Effective GFO By Michael on 3/17/2011
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.
What Phosphate? By Kevin on 3/15/2011
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!
Awsome product By Keifer on 3/14/2011
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!
Does what it is supposed to do at a fair price By Larry on 3/14/2011
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.
Great product and better price!! By Ryan on 3/13/2011
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..
amazing product By Jason on 3/6/2011
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
Great! By Hi Salenity on 3/6/2011
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