Aquaculture Flocazur RAS Pilot Project Kvalitetskräftan in Fjällbacka (Sweden) Flocazur technique could constitute a whole treatment installation for both land and water based farms - fresh or saltwater. Flocazur aquaculture solutions are: Recirculating Aquaculture System (RAS) Semi Closed Aquaculture System (SCAS) Spawnhatching Fish slaughter