Review on TL Reefs Bayoxide E33: The Ultimate Granular Ferric Oxide Phosphate Remover for Saltwater Aquariums by Erica Rogers

As some others have pointed out the grit is very fine and there is a fair amount of product dust. This really needs to be used with a media reactor, not just a bag filter. The larger the reactor, the better smaller particles fall back. That being said, this product is great value and controls my phosphate well in my 300g mix reef. When phosphates start to rise, the first time I just add what's already there, another 1/2 - 1 cup. This gives me a little more time to use the product as a whole and not just throw away all the content. This is my second purchase of this product and everything has been consistent. Hope this review helps others.