TetraPond Koi Vibrance Fish Food, 16.5 lb (1072022)
TetraPond Koi Vibrance Fish Food, 16.5 lb is a complete Koi diet with color enhancers to bring out vibrant reds and yellows in koi and other ornamental fish. Feed in spring, summer and fall, when water temperatures are 50 degrees F and above.
A neighbor recommended this and I have no issues with it. My fish are healthy and happy.