gfo alternatives

[DKoKoMan]

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.

I wonder if this is contributing to the brown dust algae on my sand and glass...interesting.