Penn Plax Pro-Balance 14-Day Vacation Time-Release Dissolving Feeding Blocks Fish Shape 2 Packages of 2 Blocks Each (4 Blocks Total) PBV14N for Aquariums

Top quality pro-balance 14 day dissolving fish formed fish meals
2 packages of two blocks per pack (whole of 4 blocks)
One block is enough for 10-15 gallon aquarium tanks and lasts 10-14 days relying on pH degree and temperature
Releases nutritious freeze-dried meals, whereas neutralizing your aquarium water
Comprises tubifex, bloodworms, nutritional vitamins & minerals