Brs high capacity gfo

[gleach]

Anyone know we're to get better specs on how this stuff works.

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[fort384]

There is a nice article about some of the science behind GFO here:

Iron Oxide Hydroxide (GFO) Phosphate Binders by Randy Holmes-Farley - Reefkeeping.com

If you are simply asking how it performs, I have used the BRS GFO for years -- it works great. It also seems less dusty than the stuff I used to buy locally.