Turbidity is a measure of the degree to which water loses its transparency due to the presence of suspended particles. The more suspended solids in the water, the dirtier the water will appear and the higher the turbidity. Turbidity is considered a good measure of water quality.
This type of resin works to remove hardness from water through alkalinity. Cation resin is regenerated very efficiently with an acid, usually hydrochloric.
Activated carbon works by trapping impurities in the water such as solvents, pesticides, industrial waste and other chemicals, and since it also removes contaminants that generate odors.