Grow More Seaweed Organic 11%, 2.5 GallonGrow More Seaweed Extract offers a all natural organic non toxic product that leaves no residue on crops. May be applied anytime during the growing season through harvest. Grow More Seaweed Extract contains naturally balanced chelated trace elements such as boron, molybdenum, copper, zinc, manganese, iron, and cobalt. The natural chelating agents are alginic acid and mannitol. Seaweed Extract contains low concentration of naturally occuring plant