Ocean Organics HI-K and Complex 0-0-6 is derived from seaweed. They use cold water processing which we believe retains more nutrients and biostimulants. In a study conducted to see if there was a difference between Ocean and our competitor we had higher amounts of biostimulants. Ocean Organic products also increase cell size, color and generally stimulates the plant. They can be use as a foliar and soil applied. Rates: foliar 2 quarts to 1 gallon per acre 1-3 times per year. Soil applied 1 gallon 2 times per year per acre. Compatible with pesticides.