Feeding GuideFeed Purina Garden Recipe Hamster & Gerbil Diet free-choice in an appropriate self-feeder. Replace with fresh food daily and discard food older than 24 hours before filling. When starting a new food, always mix the new food with the food you're currently using, gradually increasing the amount of the new food while decreasing an equal amount of the old over a period of 7-10 days to avoid digestive upset. Always provide plenty of fresh, clean water.Store Purina Garden Recipe Hamster & Gerbil Diet in a cool, dry, well-ventilated area protected from rodents and insects. Do not feed moldy or insect-infested food as it may cause illness or death. Reseal the package between uses. Best if used within nine months. Freezing will not harm the food and may extend freshness.