Phytolize is 100% freeze dried phytoplankton which lasts up to 2 years at room temperature in a sealed container. The algae cells are fully intact and bursting full of nutrition which makes it an ideal, inexpensive and hassle-free solution to maintaining home rotifer and copepod cultures. 

Phytolize is also the perfect food for soft corals, xmas tree worms, clams, sponges, and other filter feeding invertebrates.