BEAM Compost Biological Inoculant 4.0 ounces = enough to make up 20 gallons of solution with recommended coverage of over 5000 square feet. For example: Four 25' X 50' gardens. Only a 'pinch' added to a seed packet will inoculate nicely then entire seed packet. One Oz.can inoculate 50 Lbs. of seeds. The solution can be sprayed on the soil of Gardens, Containers or 'Grow Bags before or after planting out. Turbo-Charges plant seed germination, growth, development and yields. Arrives by First Class Mail Postage Paid.