API's pyramid-shaped feeder block contains nutritious food pellets that are released slowly, as the pyramid dissolves. Provides a superior nutrition source for aquarium fish when you’re away. One pyramid will feed 15 to 20 average-sized fish in a 10 gallon aquarium for up to 14 days. Meets the nutritional requirements of all aquarium fish (goldfish, freshwater tropical, and saltwater).

-Automatically feeds your fish while you're away
-Feeds 15-20 average size fish up to 14 days
-Contains nutritious food pellets that are released slowly
-For fresh or saltwater fish