... 1-5mm Calcium Nitrate Anhydrous Price IntroductionCalcium nitrate, also called Norgessalpeter (Norwegian saltpeter), is the inorganic compound with the formula Ca(NO3) ... 2.This colourless salt absorbs moisture from the air and is commonly found as a tetrahydrate. ... Industries. In addition to providing nutrition for plants, calcium nitrate has a restorative effect on the soil. It aids ...