PHYTO2 Single species

Reserved for our more delicate species and large aquaculture sizes the Single species is a bottle of our more concentrated cells to be used with a shorter shelf life.

PHYTO2 is a nutritious planktonic feed designed by marine scientists to fulfill the natural food cycle of the sea within your aquarium. Containing lab cultured microalgae cells harvested at their highest nutritional value, PHYTO2 prvides a natural and nutritious food source for copepods, amphipods, coral and clams.

PHYTO2 is the only retail available monoculture featuring species specific strains of Tetraselmis, Isochrysis, Symbiodinium, Nannochloropsis, Porphoridium, and Rhodomonas. Species diversity and live cells are the key to supporting the demands of the new captive reef which features coral from around the world and a need for tight nutrient control.

  • Species specific packaging - one strain per bottle
  • Aquaculture quality
  • Live cells - really! check under a microscope
  • Longer shelf life and no foul smell
  • No preservatives, only fresh clean microalgae

Unleash the potential of your reef!

In nature microalgae performs the important role as a primary producer and energy source for all species of fish, invertebrates and coral by acting as a base food either direct or indirect consumption. What does this mean to the captive aquarium owner?

Unique and delicate species
Many species of plankton are not suited to be stored for long periods on a shelf. The PHYTO2 family of products offers a single specie of extremely nutritious and degestible microalgae.

What species come in single specie?
The PHYTO2 line includes, Nannochloropsis sp. Tetraselmis sp., Isochrysis sp., Rhodomonas sp., Prophorideum sp. and Symbiodinium sp.

Which Specie is the best?
There is no such thing as the "Best". Some microalgae is more digestible, some more nutritious. The key is in the biodiversity of changing out these species over time. We reccomend supercharging your reef intermittently with a single specie from time to time.


Phyto2, is a pure species of plankton suspended in purified seawater. To appreciate it's value we must understand how microalgae compete in nature. When cells encounter other species of Phytoplankton, they react by releasing compounds to kill the other species in turn killing itself. When concentrated and combined, different species of Phytoplankton compete and at some point poison the bottle.

Not Freeze Dried

Freeze dried and other preserved products are dead Phytoplankton. This means if they are not ingested immediately after dosing to the aquarium they will decompose liberating organics like phosphate and nitrogen, essentially polluting your prized aquarium. Live Phytoplankton stays alive until consumed and actually cleans your water through Photosynthesis.

Scientific Harvest Technology

Phyto2 is cultured in sterile nutrient rich seawater. It is grown out to the point where it is at its highest nutritional value and the seawater contains the least amount of nutrients. As such our harvest is already a "clean" Phytoplankton. Next the cells are carefully separated and condensed to be packaged for your aquarium. No fertilizers. Consistent densities.

A reef essential

n a closed system, such as a home aquarium, food sources are limited to what is added to the tank. Considering the needs of the various life kept in the system, a regular source of food must be added to mimic the constant availability of food in the ocean. Phyto2 fulfills that need, completing the natural nutrient cylce of the sea.