Quote:
Originally Posted by Delphinus
T I found that the biopellets also don't do a lot for me for PO4 reduction, although having said that, I think I read that they can only reduce PO4 alongside NO3. NO3 becomes the limiting factor, ie., once it's down to zero or near zero then the pellets can't reduce the PO4 any further than wherever they are at. So getting some GFO might not be a bad idea going forward.
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Thats the ticket. You might have to deal with the extra iron in your tank wayne and run gfo intermittently.