SUPER Red 50g. A red color enhancer food with PSB and Astaxanthin to enhance red color on all kinds of fish which has red color base. PSB itself acts as a color enhancer. However, the outstanding deep red from Super Red is more accepted by all fish hobbyist. Fish color improvement will be noticed within 7 days. This food does not contain sex hormone and is suitable for goldfish,koi, arrowana, oscar, red gourami and all kinds of red color fish.