For instance, if 5 gallons of dilute Option were being created and six fluid ounces of stock have been taken up, then the injector ratio will be: It is generally caused by an absence of calcium availability and can be effectively taken care of with a calcium nitrate foliar spray. https://calcium-ammonium-nitrate02368.glifeblog.com/28974048/soluble-calcium-nitrate-fertilizer-fundamentals-explained