Jennifer SwansonModel Female Atlanta, Georgia, US
Mayhem # 808193
The maxima and plaetensis species were once classified in the genus Spirulina. There is now agreement that they are in fact Arthrospira; nevertheless, and somewhat confusingly, the older term Spirulina remains in use for historical reasons.
Arthrospira are free-floating filamentous cyanobacteria characterized by cylindrical, multicellular trichomes in an open left-hand helix. They occur naturally in tropical and subtropical lakes with high pH and high concentrations of carbonate and bicarbonate. Arthrospira platensis occurs in Africa, Asia and South America, whereas Arthrospira maxima is confined to Central America. Most cultivated spirulina is produced in open channel raceway ponds, with paddle-wheels used to agitate the water. The largest commercial producers of spirulina are located in the United States, Thailand, India, Taiwan, China, Bangladesh, Pakistan, Burma (a.k.a. Myanmar), Greece and Chile.
Spirulina thrives at a pH around 8.5 +, which will get more alkaline, and a temperature around 30 °C (86 °F). They are able to make their own food, and do not need a living energy or organic carbon source. In addition, spirulina have to have an ensemble of nutrients to thrive in a home aquarium or pond. A simple nutrient feed for growing Spirulina is:
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