Tetra Holiday Goldfish Fish Food provides a reliable food supply for up to 14 days, depending on the size of your aquarium and the number of fish. These 100% edible water-stable gel blocks do not dissolve in the water, allowing fish to feed as needed while you are away without negatively affecting the water quality. The gel food blocks contain Tetra's BioActive formula and contain all the essential vitamins, trace elements and minerals that fish need to stay healthy. The fish food is also enriched with extra-tasty daphnia, so your fish can enjoy feeding during your holidays. The TetraFin Holiday Food provides your fish with two weeks nutrition which is perfect for when you go away on your holidays! The patented gel based formula contains only natural edible ingredients such as Daphnia. It also helps maintain excellent fish condition and the added vitamins and active formula will keep your fish healthy and resistant to diseases and illnesses. Holiday food for all goldfish. Healthy nutrition for up to 14 days. Patented formula containing tasty daphnia, essential vitamins, and trace elements.