API Automatic Fish Feeder Contains one (1) API WEEKEND PYRAMID FISH FEEDER 3-Day Automatic Fish Feeder 1.4-Ounce 4-Count Pack Supplies food to your fish while you are away for up to 3 days Dissolves slowly and releases food after a few hours Includes natural ingredients to meet nutritional requirements of all aquarium fish Drop one pyramid into aquarium and do not use in a fish bowl or a non-filtered or non-aerated aquarium