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Tag: Auburn University

How biological filter for aquaculture looked like in 1970 (Auburn University – USA)

This inserted picture has been taken from a publication by Auburn University (USA) published on December, 1970. Being an Auburn University Alumni, I decided to share this picture along with the description: “Pond culture with Biological Filters: Water, pumped from a pond where fish are fed, is filtered through gravel covered with living microscopic organisms …

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