Help your finny buddies handle cooler temps with the Blue Ridge Koi & Goldfish Cool Water Wheat Formula Koi & Goldfish Food. When water temperatures drop below 60°F， food takes longer to for fish to digest and can even cause internal infections. This special wheat-rich， cool water formula provides easy digestibility for those low temps so your underwater champs will have an easier time at mealtime. This food is great for spring and fall months when fish may be extra vulnerable to changing temperatures.