Premium Color Enhancement: Infused with Haematococcus Algae for vibrant fish colors Versatile Fish Food: Suitable for all life stages and enhances color in adult fish Nutrient-Rich Pellets: 3 oz bag of 85g pellets for optimal fish health Easy Storage: Store in a cool, dry place and serve as needed Organic and Allergen-Free: Made with organic ingredients and free from common allergens Reef Nutrition by Reed Mariculture TDO Chroma BOOST food is granulated and pelletized then "top dressed" with Haematococcus AIgae providing an excellent source of astaxanthin leading to healthy animals that are able to show off their vibrant colors. Used by many marine breeders, TDO Chroma BOOST comes in many different sizes and can give you the best chance to raise fish larvae into full grown adults