These 4 mm diameter floating sticks are designed for all pond fish over 5 cm. They are a complete feed that provides everything your fish need to stay healthy and active. The sticks are easy to digest and perfect for meeting the feeding needs of your fish. To feed, offer 2 to 4 times a day, providing an amount that the fish can eat within 5 minutes. Be sure to remove any uneaten food to keep the water clean. Reduce the feeding amount when water temperatures fall below 10°C, and stop feeding when the temperature reaches 5°C.