The Organic Seaweed Fertilizer by Bloom City is a fast-release liquid fertilizer in a convenient gallon size (128 oz). This organic product is suitable for indoor use and is compatible with a variety of plants including flowers, foliage, fruit, garden plants, lawn, potted plants, and trees. With a longevity of up to 1 week, this concentrated formula is perfect for all-season use and comes in a bottle packaging. Enjoy free express shipping in the United States to nourish your plants with this high-quality seaweed extract.