The salmon you buy in the future may be farmed on land - BBC News

The salmon you buy in the future may be farmed on land - BBC News

The salmon you buy in the future may be farmed on land - BBC News

Posted: 25 Apr 2021 04:07 PM PDT

Called "recirculating aquaculture systems", or RAS for short, they control everything from the temperature, salinity and pH of the water, to its oxygen levels, artificial currents, lighting cycles, and removal of carbon dioxide and waste. The latter are filtered out, and treated water is reused.

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