Quote:
Originally Posted by LiquidFunk
Actually it's generally not a good idea. For the biopellets to work its best not to disrupt the ratio of phosphates to nitrates. If you suck up all the phosphates with GFO or similar, the nitrates can build up because there isnt enough phosphates for the bacteria to reproduce (and consume nitrates).
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I run carbon, rowaphos, and pellets. The only reason I run rowa phos is because I found that pellets reduced nitrate faster then phosphate and once one of the two element has been depleted, the bacteria can not remove the other, so the rowa finishes the rest of the phosphate.