Our pocket friendly combo packs are designed to help you raise marine fry and nourish filter feeders with minimal hassle.Rotifers are a crucial first food for many larval species, and this pack ensures they stay alive and enriched with high-quality phytoplankton. Whether you're breeding clownfish or supporting a diverse microfauna, this combo delivers reliable nutrition and easy culturing straight to your door.Each bottle holds 500ml, so: Small pack = 2 bottles (1L total) Medium pack = 4 bottles (2L total) Large pack = 6 bottles (3L total)