I got some A.F Amino Mix. It says to use when the lights are off.
But this article http://successfulreefkeeping.com/learn/about-corals/what-corals-eat/ says- "Scientists also found that urea and amino acids are more actively taken up during the day and may be integralto building the organic matrix that aids the formation of aragonite crystals, increasing the density and strength of the coral skeleton."
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But this article http://successfulreefkeeping.com/learn/about-corals/what-corals-eat/ says- "Scientists also found that urea and amino acids are more actively taken up during the day and may be integralto building the organic matrix that aids the formation of aragonite crystals, increasing the density and strength of the coral skeleton."
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