What if the water from aquaculture and seafood processing industries could be cleaned using microalgae —and in the process, produce ingredients for food, feed, and even medicine? And what if a single solution could help Europe’s aquaculture industry cut costs, reduce emissions, and move closer to a climate-neutral, zero-waste blue economy ?   These are the challenges the SEAlgaePower project has set out to address.   In early October 2025 the University of Gothenburg hosted