An expression of the quantity of an undesirable material which can be removed from water by a water conditioning medium, i.e., cleaning, regeneration or replacement, as […]
A chemical compound, used as a bleach and as a source of chlorine in water treatment. Commercial grades contain 70 percent available chlorine. It is specifically […]
A common basis for expressing the concentration of hardness and other salts in chemically equivalent terms to simplify certain calculations; signifies that the concentration of a […]
One of the principal elements in the earth’s crust. When dissolved, in water, calcium compounds make water hard. The presence of calcium in water is a […]
1. Calcium carbonate (CaCO3). 2. A trade name for finely ground grades of marble or limestone, very high in calcium carbonate, which are used to raise […]
A connection or a valve system that allows untreated water to flow through a water system while a water treatment unit is being regenerated, backwashed or […]
A chemical incorporated in a detergent formulation to produce a desired alkalinity level and improve the ability to suspend soil. The alkaline phosphates are widely used […]
