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Old 10-22-2011, 09:03 AM   #11
Join Date: Sep 2010
Posts: 2,667
Originally Posted by ccCapt View Post
Iron Oxide Hydroxide (GFO) Phosphate Binders by Randy Holmes-Farley - Reefkeeping.com
"Many aquarists use GFO in a fluidized bed reactor. This method reduces the likelihood of forming the particles into an unusable solid cake, although it does not always prevent this from happening. Some manufacturers sell reactors for this purpose. Some aquarists that have used the GFO in a traditional media bag report that it formed a brick in short order. Such caking may relate to calcium carbonate precipitation, or even to bacteria that are known to be able to knit the surfaces of two small iron oxide hydroxide particles together into a single particle."
Has anyone seen this happen? This is a nice theoretical possibility, but if it doesn't consistently happen then why worry (like worrying about toxic gas pockets in sand in freshwater, no one wants to worry about it, but it happens).

I think a real experiment will be more valuable. If anyone wants to setup what I described we could get real answers in as little as a few weeks.

Fishguy2727 is offline   Reply With Quote

phosphate, reactor

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