Dennerle Color Booster is a color staple food for all ornamental fish. Based on the basic food, this has an added ingredient to boost colour vibrancy, called astaxanthin. With a granule size of 1 mm, this food is very acceptable to small fish as well, whilst larger fish take a bite 2-3 times more often. Effects are visible after only a few days of regular supplementation with this food.Dennerle is taking a brand new approach in feeding aquarium fish. Thats why Dennerle are committed to not adding any fish meal at all to their ornamental fish food during the manufacturing process! Fish meal and other cheap fillers are often added to industrially produced ornamental fish food, the recipes for which are frequently taken from industrial fish farming. Ist aim is a purely economic one: fast growth using minimal materials. Balanced nutrition tends to play a lesser role. In addition to avoiding preservatives, the new fish food is based on the Dennerle biotic system: a combination of prebiotic