Did it's job By Chris on 12/24/2013
Chris would recommend this product to a friend
Product brought my phosphates down however it is very fine and I had to reduce my flow rate dramatically in my reactor. I have since started using another product which is way more granular and I am able to increase the water flow to my reactor thus getting more water treated.
With BRS however you get way more product for your buck. So it's hard to beat
Great product By brian on 12/19/2013
brian would recommend this product to a friend
Ordered product to mix with carbon to remove phosphates it did so and overall water quality has improved
VERY dusty. By Quinnchero on 12/18/2013
Quinnchero wouldn't recommend this product to a friend
I realize I'm spending a little less on BRS products and shouldn't expect the world out of them. With that said, the GFO arrives very worse for wear, seems like the packing guy shook the container on a paint mixer for an hour or two! easily 1/3 of the pound was entirely useless; making the purchase actually WAY over priced for usable product. Sorry BRS, I LOVE your store and most of your own branded product, but this one has failed me a few times now.
Great product at a great price. By David on 12/14/2013
David would recommend this product to a friend
I bought a gallon of this. It's does what it says... I change it out every 3 weeks and my phosphates stay at 0.
fair By Dustin on 12/11/2013
Dustin would recommend this product to a friend
works ok. i run it in 2 reactors for my 300. feed responsibly and I still have some phosphate. A little on the pricey side IMO for how it performs
Good stuff By Dioncuda on 12/8/2013
Dioncuda would recommend this product to a friend
It does work very well, great for the money.
Good Product! By Jake on 12/7/2013
Jake would recommend this product to a friend
Good product! tumbles well, not much dust at all, and does what i want it to do!
Excellent product By Mrehfeld on 11/23/2013
Mrehfeld would recommend this product to a friend
This product is excellent and does what it's meant to do! See my other review on the GFO reactor.
Great product By Ray on 11/5/2013
Ray would recommend this product to a friend
Great product for a great price.
DON'T OVERDOSE By Daniel on 10/31/2013
Daniel would recommend this product to a friend
Works great if dosed responsibly, BRS has a great calculator. I accidentally used too much and it turned my tank very cloudy.
Good product By A.R. on 10/19/2013
A.R. would recommend this product to a friend
Great customer service and fast shipping. As the product itself is good but very slow process. Overall good product and addition to the reef environment if you are having algae problems.
A fair deal on a reef maintenance staple By raysun on 10/14/2013
raysun would recommend this product to a friend
At $22.00 for a pound, it's hard to argue the price for standard capacity GFO. It comes packed dry and pretty much dust free so media changes are easy. Little if any residue rinses out when first loaded into a media reactor or filter bag. (Contrast RowaPhos, for example, a fine product too, but it seems to emulate the Mississippi river for brown flow when first rinsed.)
To maintain my LPS tanks at their current low phosphate levels, this does the trick. When levels rise to 0.05 ppm, I change the media. Within hours phosphate levels drop to undetectable.
If I had a big phosphate problem, I'd consider springing for the High-Capacity (and high-cost) GFO to get more phosphate removal between changes. Large bio-loads, heavy feeding, or new rock that leaches phosphate might weigh into that decision.
At a recommended usage rate of 1 tablespoon per 4 gallons of aquarium water, large aquariums would use a fairly large dose of this stuff. 100 gallon tank would use just shy of 1 1/4 cups per media change - a bit more than 12 media changes for a gallon of GFO. Really large setups will probably benefit from using the HC GFO.