Aivlosin 625 mg/g Granules for Use in Drinking Water for Pheasants Pharmaceutical precautions Do not store above 30°C. Opened sachets should not be stored. Shelf-life of the veterinary medicinal product as packaged for sale: 3 years Shelf-life of the medicated drinking water: 24 hours Only a sufficient amount of medicated drinking water should be prepared to cover the daily requirements. Medicated drinking water should be replaced every 24 hours.