Nature's Solution Sea Kelp is a concentrated water-soluble powdered form of fertilizer. Sea Kelp adds minerals from the sea. Use on all indoor and outdoor plants. Apply to gardens, vegetables, and lawns. Mix 1 tablespoon of dry kelp with 2.5 gallons of water. Apply every 2 weeks for lawns. Apply every 3-4 weeks for flowers, shrubs, gardens, vegetables and trees. Use directly on soil or spray on plants. Store sea kelp at room temperature. Use only as directed. Bag treats 2,500 sq. ft. (232 sq. meters), 6.5 ozs./1,000 ft2. 8 ounces makes 40 gallons. Allowed for organic production.