Koi food is the foundation of a healthy, colorful pond. The right diet drives faster growth, stronger immunity, and vibrant color — while the wrong one leaves waste in your water and strain on your filter. Our koi food is built to do the opposite: feed your fish clean, digestible nutrition that keeps them thriving and your water clear.
Every formula is designed for easy digestion and high nutrient absorption, which means your koi get more out of every pellet and release less waste into the pond. Our Koi Fuel line is grain-free and built on aquatic proteins rather than cheap land-animal byproducts — no wheat, soy, corn, or poultry meal — for cleaner digestion and better body development.
Whether you’re feeding young koi or large, mature fish, we carry the right pellet sizes and bag sizes for every stage and every pond. New to koi and not sure which variety you’re keeping? Explore our Koi Varieties Guide to identify the major types of Nishikigoi. Not sure how much to feed? Read our guide on how much to feed koi by body weight.
Frequently Asked Questions
How often should I feed my koi?
Feed koi 2–3 times a day, offering only as much food as they can consume in a few minutes.
What is the best temperature to feed koi?
Koi are most active in warmer water, generally around 70°F to 85°F, which is the best time to feed them.
What is the best food for koi?
The best koi food is highly digestible and built on quality protein. Grain-free, aquatic-protein formulas like Koi Fuel support growth and color while producing less waste than grain-heavy feeds.
What size pellet should I feed?
Match pellet size to your fish — smaller pellets for young or small koi, and larger pellets such as 5mm for medium to large koi.