Dennerle CrustaGran is a sinking special feed tailored to the needs of fresh water shrimps and dwarf crayfish. CrustaGran contains high-quality proteins from aquatic animals and a high percentage (20%) of valuable algae - Chlorella Dunaliella Ascophyllum and 10% Spirulina - for balanced growth and problem-free moulting. Vital vitamins provide for vitality and strengthen resistance to diseases. Natural carotenoids and astaxanthin help to bring out shrimps natural colouring in all its glory particularly in yellow orange and red-coloured varieties. - For a biologically balanced diet geared to these crustaceans needs. - With 20% algae content: 10 % Spirulina Chlorella DunaliellaAscophyllum. - Water-stable for up to 24 h - no clouding effect. - Granule size 2mm. 100ml tub.