Calcium Nitrate is mainly used as a nitrogen fertilizer in agriculture and is produced in granulated form. It is also used in wastewater pre-conditioning for odor emission prevention, and in set accelerating concrete admixtures. The dissolution of anhydrous calcium nitrate is highly endothermic.
Calcium nitrate has been investigated as an agent to control sulfide generation by sulfate reducing bacteria in oily, waste water environments.It is used in such industrial processes as the manufacture of fertilizers, matches, and radio tubes.