Tropical Hi-Algae Discs XXL is a food in the form of sinking discs with high content of algae (52.4%) for large species of herbivorous and omnivorous bottom-feeding fish. Tropical Hi-Algae Discs XXL ontains 5 species of algae: spirulina (Spirulina platensis), chlorella (Chlorella vulgaris), Lithothamnium calcareum and kelp algae - Ascophyllum nodosum and Laminaria digitata. Unsaturated fatty acids, protein (rich in essential amino acids) and vitamins from spirulina and chlorella, together with vitamins, macronutrients and trace elements from kelp algae and Lithothamnium calcareum (including iodine, chromium, selenium and iron) ensure excellent condition, intensive growth and vitality in fish. Dietary fiber from algae, oak bark meal and chitin regulate digestion. Tropical Hi-Algae Discs XXL stimulates the development of beneficial bacterial flora in gastrointestinal tract and improves fishs immunity. Due to ist strengthening properties it can be used for feeding ill and weakened fish a