Thread: Dry Rowaphos ?
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Old 06-17-2013, 11:26 PM
PurpleMonkey PurpleMonkey is offline
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Not too sure but I believe Rowaphos is Iron hydroxide (GFO is granular ferric oxide). Don't know if you can rehydrate it though.

Good read: http://www.reefkeeping.com/issues/2004-11/rhf/
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