Quote:
Originally Posted by TimT
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Another point I would like to make about Granular Ferric Oxide is that it is Iron based. I suspect that when you put it into your tank it releases Iron into the water? The HC-GFO I used to use went from orange/brown to black. We know that Iron fuels the growth of macro algae. Does anyone know if there is studies about whether GFO releases Iron into tanks and if the Iron released causes macro algae blooms?
Cheers,
Tim
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There is a reference to what iron is released in that article I posted, Tim.