Sera Koi Royal Medium Nature (3800ml) is a premium staple food specifically designed for the balanced growth of medium-sized Koi, typically those between 12 and 25 cm (5–10 inches) in length.
The 3800ml (approx. 1.3kg) container is a practical bulk size for established garden ponds. As part of the “Nature” range, it contains no artificial dyes or preservatives.
Key Features
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Optimal Pellet Size: The granules are approximately 4mm, making them perfectly sized for medium Koi to consume easily.
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Insect Meal (4%): Includes sustainably bred Hermetia (black soldier fly) larvae, providing a high-quality, natural protein source that mimics a Koi’s wild diet.
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Immune Support: Fortified with MOS (Mannan-oligosaccharides) and Omega fatty acids to boost disease resistance and support healthy organ development.
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Water Stability: The floating granules are designed to retain their shape for a long time, preventing water clouding and pollution.
Nutritional Profile
| Constituent | Amount |
| Crude Protein | 33.0% |
| Crude Fat | 6.9% |
| Crude Fiber | 3.1% |
| Crude Ash | 5.7% |
| Moisture | 5.0% |
Ingredients
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Proteins: Fish meal and 4% Insect meal (Hermetia).
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Carbohydrates: Corn starch and wheat flour for energy.
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Specialty Additives: Green-lipped mussel (for joint/growth support), garlic (for digestion/parasite resistance), and Haematococcus algae (for natural color enhancement).
Feeding Guide
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Frequency: Feed 1 to 2 times daily throughout the year.
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Quantity: Give only as much as the fish can consume within a few minutes.
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Temperature: Because it is highly digestible, it is suitable for use year-round, even when water temperatures are lower (above 8°C).




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