Use this in a BRS Reactor and it works perfect, i use less than the amount needed and it still keeps my phosphates down

Need to get your phosphates back in check? This is definitely a fix then. The key to using this GFO is to be regular in changing it and the correct flow through your reactor. A light wave in the surface of the media and changing it out after about 2 weeks works wonders for my tank. Thanks BRS for another great media!

Like most reefers, I use BRS because it's the best when it comes to a whole slew of aquarium parts/additives/equipment. The prices are right, the products are great, blah blah blah.

But I was/have been a little disappointed by this Ferric Oxide - High Capacity. The reasons being two fold...I think that there is a lot more dust and residue in the batch than can be rinsed out with a reasonable amount of water. The result is that your reef is cloudy for a day or two, and the skimmer pulls out what I'd consider to be A LOT of ferric oxide from the water column over the next 2-3 days. Some of you might be thinking "turn down the flow in the reaction chamber", but enough flow to make the ferric oxide tumble is enough to make the tank cloudy with the stuff (even after rinsing).

My second gripe with the product is that it forms itself into a solid block inside the reaction chamber that is really tough to remove. And the flow is not too low either because as I see flow going down I increase the power of the MJ 1200 with a valve and the stuff still forms a brick in the reactor.

Granted, like most things, it's cheaper to get it on BRS than say getting rowaphos, but I like this product better for my tank.

Still I gave 3 stars because it kept phosphates at 0, just the other two factors matter a lot to me. I know for a fact that it's not good for clams to filter ferric oxide out of the water. I almost lost a deresa clam because I didn't rinse my rowaphos once.

This is a much cleaner, longer lasting GFO than the other standard one that BRS offers. Yes it is more expensive but you get a lot more lifetime out of it and I think there is less tumbling that grinds the GFO particles into smaller pieces and eventually dust. Also out of the box after filing up the reactor there is less dirty water coming out of the reactor which is a plus.

I just started using this product. Easy to add to BRS reactor. Flushes quickly and doesn't have much fines.

Will review again after further use.

Although a bit pricy, the High Capacity GFO really does out perform any other Phosphate removal media i have used.

The high capacity GFO is simply the best. Must less fines and easily flows in the reactor. Nice Phosphate drop as well.

This product works great and has helped reduce the problems i had with water quality. I like that BRS has videos to help make the purchasing decision easier.

This product is little pricey but its great for the tank if you are trying to keep those phosphates in check.

This stuff will completely wipe out your algae problems. I have cut back on the recommended amounts just to give my snails something to do. Ha.

High capacity gfo is great. You may pay more but you use less and it doesnt take long to rinse either.

I strongly recommend this product if you need the best performance. It's working great, my tank looks much clean now.