Just seeing how many of us reefers use carbon or gfo or maybe both on a daily basis.
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Good point, in this context I took it to mean activated carbon but there are potentially people out their doing both.Are we talking activated carbon or organic carbon (as in carbon dosing)? I use activated carbon for water clarity and chemical warfare and carbon dosing for nitrate reduction, I don’t use GFO as my tank had always been phosphate limited, I am currently dosing phosphates (neophos).