I do not think it is a particularly high dosage. I've been dosing vodka and vinegar for 2.5 yrs with an organic carbon amount equivalent to about 33ml of vinegar for 75 gallons. It depends on your aquariuum and things sound pretty good. I'd keep up the gfo.
__________________
Tom
Current Tank Info: Tank of the Month , November 2011 : 600gal integrated system: 3 display tanks (120 g, 90g, 89g),several frag/grow out tanks, macroalgae refugia, cryptic zones. 40+ fish, seahorses, sps,lps,leathers, zoanthidae and non photosynthetic corals.
|