While you can run GFO in a bag it is not as effective since it does not fluidize the medi as evenly. You should not place it in high flow areas also since it will grind itself to dust causing a whole othe rset of problems. Low to medium flow so it is not agitated.
Sorry I wasn't more clear. I'm running it in a bag in the sump belly AND in a reactor. I know it's slow... Today we're finally down to 8ppm! I'm hoping by March to be at ~0 and be ready to start adding corals!
Originally Posted by AZDesertRat
GFO in sock and reactor
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