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We have begun to cool the water using room ventilation with outside air. It is not difficult to do, because now the temperature in Riga is -13 C degrees. We are going to lower the water temperature is less than +10 C degrees. It will be winter for sturgeon, so as to raise the temperature to spawning degrees later and get a black caviar.

Last changed: Jan 18 2010 at 11:56 AM

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