The nitrogen source is effectively in the nutrients (so not air/nitrogen fixation by their organism), and is provided as ammonia, according to this video by Sol

The nitrogen source is effectively in the nutrients (so not air/nitrogen fixation by their organism), and is provided as ammonia, according to this video by Solar Foods[0]. I agree this is cheating considering what is needed to produce ammonia from N2. https://youtu.be/z8zuqR95fqA?t=136 https://youtu.be/z8zuqR95fqA?t=136