Tetra's Goldfish Crisps provide easily digestible protein, algae meal, vitamins, and carbohydrates that bring out the best appearance in your fish. They offer unparalleled benefits in terms of reduced waste, improved tank clarity, feeding convenience, superior fish appearance, and acceptance. Colour-coding lets you easily see the benefits the Crisp delivers. Green spots contain healthy spirulina algae that promotes richer color, yellow spots are packed with krill, which enhances muscle growth and the outer ring of each Crisp contains all essential nutrients.