along with the low nutrient hypothesis, ive got a reef octopus protien skimmer rated to 90 gallons and run gfo/carbon in a brs reactor off of my canister filter. i have no filter pads in my canister, just 2qt of MarinePure Ceramic Biomedia.
Ive heard a lot of people are skeptical about amino acids, how certain are you that you can attribute your coral re-coloration to the addition?