Maxicrop Liquid Seaweed Plus Iron 0-0-1 + 2% Fe - 2.5 Gallon - 2003Made from seaweed harvested from the nutrient rich waters off the coast of Norway, Maxicrop Liquid Seaweed Plus Iron is a wonderful fertilizer for acid loving plants and also serves as a biostimulant. This seaweed, Ascophyllum nodosum, is preferred for its high macronutrient and micronutrient content as well as the fact that it contains vital growth regulators and stimulants like cytokinins, gibberellins and amino acids. Benefits of Liquid Seaweed: