The Doff Liquid Seaweed Concentrate is an organic and natural plant growth stimulant which can be mixed with soluble and liquid feeds. Use on plants, shrubs, flowers and vegetables. Used regularly during the growing season, it can help plants withstand environmental stress and encourage healthy cropping of flowers and fruit. This one-litre bottle will make up to 300 litres. Directions for use: Shake well before use. Using the table provided, mix well with water and apply by watering can or sprayer. Use as a root drench, and also avoid applying to the flowers and foliage in direct sunlight.