Tetra Pro Energy is an advanced daily diet for all tropical fish. These energy crisps contain a concentrated source of essential fatty acids and proteins encouraging strong muscles and excellent condition. Tetra’s patented Crisp Technology means less waste and therefore cleaner clearer water. Solid waste production is reduced making the aquarium easier to maintain and nitrogen and phosphorus production is also reduced helping to control algae. The low heat process preserves more essential nutrients compared to flakes.