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Spirulina is a kind of cyanobacteria that can live in water with high pH.
What it is
Spirulina can refer to two species: Arthrospira platensis and A. maxima. It is used as a dietary supplement. It is sold in flake, tablet, and powder form. It's also used as fodder supplement. Spirulina grows best in an environment that has pH of 8.5 or more.
- Vonshak, A. (ed.). Spirulina platensis (Arthrospira): Physiology, Cell-biology and Biotechnology. London: Taylor & Francis, 1997.