Mixed Sticks with Spirulina fortified with Vitamins A,C,D3 & E. Spirulina algae is a great superfood packed with extra vitamins & minerals and also contains beta-carotenes which also act as a colour booster. A complete food for all species of pond fish. Contains vitamins A, C, D3, and E, minerals and spirulina. Can be used with water temperatures down to 10 degrees celsius.