Right before applying your calcium spray to your plants, you'll want to dilute it in water (non-chlorinated). insert it to the spray bottle and then apply it to the foundation zone. Applying it to foliage won’t necessarily function. Some so-called calcium phosphates have oxide and hydroxide at the same time. https://calciumammoniumnitratefer71245.wssblogs.com/29652579/describe-the-manufacturing-process-of-calcium-ammonium-nitrate-fertilizer-fundamentals-explained