Designed to improve the health and vibrance of all scleractinian corals, by providing superior nutrition. Can trigger a feeding response in most aquarium inhabitants including corals, inverts, crustaceans and fish in less than 30 seconds. 1 dropper half full per 227 litres (60 gallons). Contains 18 Amino-acids (60% of dry weight) 12 Fatty acids (20% of dry weight) And as much as 120ppm of Astaxanthan pigment, from natural sources. Polyp-Booster is safe for any type of marine aquarium and once your reef has experienced Polyp-Booster's superior nutrition, it's inhabitants will reward you with amazing vibrancy and fantastic growth.