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I use GFO along with other methods of nutrient reduction (macroalgae, skimming, organic carbon dosing, activated carbon, and lots of live rock in refugia).

I, like most others, run GFO 24/7.
 
That sounds like a good plan to me.

If you find that nitrates are not kept adequately low, it is easy to add some organic carbon dosing later, if needed. I use vinegar, but folks also use vodka and commercial products. These drive bacterial growth to help reduce nutrients. :)
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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