Hello Sir
There are many ways of building an adequate basin for cultivating spirulina depending on variables according to local conditions.
To cultivate Spirulina it is necessary to recreate the close culture medium in which the microalgae grows naturally.
The culture medium is a controlled salt solution in water that provides to Spirulina all the necessary chemical elements essential for its cultivation.
The pH of the culture medium should be between 8.0 and 11
Chemical components needed for spirulina cultivation are Sodium Hydrogen carbonate, Sea salt, Potassium Nitrate, Magnesium Sulphate, Ammonium Phosphate(monobasic), Urea, Iron Sulphate.
The ideal temperature for Spirulina Cultivation is between 35° and 37° C.
The water level of the basin should be controlled and it should be a minimum of 20 cm. Water should be added when necessary not impacting the chemical composition or pH of the culture medium.
Agitation of the water of the basin is necessary to homogenize and ensure a good distribution of lighting among all the filaments of Spirulina.
Spirulina is harvested by skimming the surface of the basin and to initially filter Spirulina in a filter such as a mosquito net.
To store Spirulina for a much longer time, it is vacuum dried and packed air‐tight where it sustains its nutritional qualities for five years.
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