The Tetra Pond Colour Food Sticks contain valuable carotenes that naturally intensify red, yellow & orange colours. An intensification of the colours is noticeable after just a few weeks when fed regularly. Tetra Pond Colour Sticks contain all essential nutrients, roughage & anabolic matter, vitamins & trace elements. Thanks to it's high quality nutrients the food is easily digestible. Advantages of the new resealable plastic bag: Sealing mechanism enables the bag to be opened & resealed easily & securely The positioning of the slider creates the widest possible opening in the bag The material protects the food from light (UV), air & moisture The food is kept fresh All vital substances, trace elements, vitamins & taste are preserved Maximum stability through its stable bottom Practical transport handle