Quote:
Originally Posted by gregzz4
Brett, I stopped using GFO back in the spring of - I think - 2016, and haven't looked back.
No GFO, no carbon. I dosed some liquid NO3 and PO4 for a month or so to balance stuff, then stopped dosing both.
Using GFO is like adding iron to your system - algae fuel.
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I wonder if this is contributing to the brown dust algae on my sand and glass...interesting.