ENHANCE KOI VITALITY & DEFENSE: sera Koi Professional Spring & Fall food features floating pellets with a unique core and ring structure, packed with easily digestible ingredients and extra Vitamin C to boost immune defense and improve overall condition. SPECIFICALLY FORMULATED FOR COOLER WEATHER: Perfect for temperatures below 63°F, this koi food supports fish metabolism during the critical spring and autumn periods, ensuring your koi are well-prepared for winter or energized for the year ahead. RICH IN ESSENTIAL NUTRIENTS: Enriched with omega fatty acids, vitamins, natural minerals, and trace elements, our formula meets the dietary requirements of koi, promoting good growth and a stable immune system during their most sensitive phases. ADVANCED CO-EXTRUSION PROCESS: Utilizing cutting-edge co-extrusion technology, our koi food combines variously treated raw materials into a food ring and food core, delivering a balanced and comprehensive diet that promotes fish health and vitality. OPTIMAL CONDITION FOR: sera Koi Professional Spring & Fall enhances spring vitality and gives them the best possible start into spring. Fed in the fall, it optimally prepares koi for winter rest with its specially formulated recipe.