Analysis What is OCEANGRO? > Analysis Five to Twenty Ton Bulk Deliveries OCEANGRO® Guaranteed Analysis Ingredients Percentage Total Nitrogen (N)Table DataAmmoniacal Nitrogen0.1%Nitrate Nitrogen0%Urea Nitrogen0%Other Water Soluble Nitrogen0.4%Water Insoluble Nitrogen4.50%Available Phosphate (P205)5.00%Calcium (Ca)2.50%Total Iron (Fe)2.50%Organic Content65%Sizing Guide Number150Product Size Range1.5mm to 2.5mmUniformity Index60% Derived From: Sewage Sludge