The BRS160 uses it. Why not add amino acids to your fish food? Korallen Zucht Amino Acid Concentrate

Korallen Zucht Amino Acid Concentrate For Fish is specifically formulated to enrich your fish's diet directly. Simply add a few drops directly to your pellets, flake or frozen food and feed as normal to fill in the inevidable nutritional gaps of prepared fish foods. Amino Acids will help improve immune health, sustain growth and provide a nutritionally complete diet supporting a maximum lifespan in captivity.