Sera pond mix Royal the staple food consisting of carefully processed Flakes, granules and whole gammarus for Feeding in ponds with various fish throughout the year. The balanced blend contains everything pond fish of different species and sizes need for a healthy development and strong disease resistance. The small ones eat the Flakes, whereas the bigger ones can choose from three savory granules. The tasty gammarus rich in minerals (7%) are a special treat. The floating food keeps its shape for a long time and does not pollute the water.