Interpet Slow Release Weekend Mineral Aquarium Fish Food Block, Contains Freeze Dried Tubifex, Daphnia, Brine Shrimp and Mosquito Larvae, Supply x 5, 13g per block

SLOW RELEASE - Slow-release mineral fish food block for tropical and coldwater fish HEALTHY DIET - Contains freeze dried Tubifex, Daphnia, Brine Shrimp and Mosquito Larvae EASY TO USE - Just place the food block into your aquarium before leaving your fish FULL NUTRITION - The food block will slowly dissolve, releasing particles of nutritious freeze-dried food into the aquarium, while at the same time stabilizing the aquarium water SPECIAL FORMULATION - The special formulation includes all the necessary proteins, minerals and trace elements to keep your fish healthy