Supplement contains concentrated amino acids. This is essential for marine aquarium, especially for Ultra Low Nutrient Systems (ULNS). Amino acids is one of the main sources of energy for all types of coral and filter feeders. It promotes metabolism, aids growth as well as vitality. In natural coral reefs the concentration of total amino acids are low. Levels fluctuate between 200-500nmol/l. However the latest scientific research proves that coral can absorb up to 7 times more amino acids if they are available. Amino acids are easily removed by the skimming process, ozone or granulated carbon. Regular dosing is highly recommended. Ingredients: Alanine, Asparagine Aspartate, Biotin, Glutamate, Glycine, Histidine, Leucine, Methionine, Valine, Serine. Dosage: 1 drop per 100l (27 US gal.) every other day when lights are off. Recommended to use in conjunction with AF Vitality. This product is intended solely for aquarium use. Store in a dry and cool place away from light.