The company was in the third phase of its four-step research and development process when a fault affecting the water quality of the system happened. Cermaq closed containment system ILLUSTRATION: Cermaq "SCCS is immature technology under development, therefore it is not surprising when you are trialing new technology you will run into challenges," said Peter McKenzie, Cermaq director of fish health, in a news release. "This was our first attempt to grow fish of varying sizes in a semi closed environment and unfortunately, due to water quality issues, fish performance was affected and resulted in fish mortality." This semi-closed containment system, produced by the Norwegian company FiiZK, already has been trialed successfully in Norwegian waters by Cermaq Norway.