Sigma Marine Products sigmafertilizers.com info@sigmamarineproducts.com (530) 558-4004 Factory Direct Marine Fertilizers. Fish Emulsion, Fish Flakes, Fish Meal, Fish Soluble, Location Address PO Box 4679 El Dorado Hills, CA 95762 Mailing Address PO Box 4679 El Dorado Hills, CA 95762 Products & Services Vineyard Supplies Fertilizer and Chemicals Conventional Organic Update Profile