Betta Bio-Goldfish Food [Set of 2] Size: 0.70 Ounce Betta Bio-Gold has been developed after considerable research into the nutritional requirements of bettas. A formulation utilizing Bio-Technology promotes excellent coloration while meeting 100% of their nutritional needs. Don't be fooled by freeze dried foods with a betta label give your bettas food made especially for them Betta Bio-Gold!