Seachem Aquavitro Fuel Coral Growth Fish & Aquatic Health supplies for more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Aquavitro fuel is a comprehensive supplement for coral. It contains carbohydrates, vitamins, amino acids, polyunsaturated fatty acids, and trace elements. Using Aquavitro fuel makes a trace element supplement unnecessary. Ingredients: chlorella, ascorbic acid, niacin, calcium pantothenate, thiamine, riboflavin, inositol, choline chloride, vitamin B12.