News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

dissolved inorganic solids


Water composition: Dissolved inorganic solids

A few anions and cations, and un-dissociated silicic acid represent the largest fraction of dissolved inorganic solids in water. The total concentration of ions is called the salinity. The total dissolved-solids concentration usually is roughly equal to salinity in freshwater.