100% Organic Enhances the growth of lilies and large plants, whilst also discouraging algae. Promotes blooming and lush foliage. Contains a special blend of nutrients to enhance the growth of lilies and other aquatic plants whilst also preventing algae and green water problems. It's particularly good for small water features where plants can be starved of nutrients and is less messy than tablet fertilisers which need to be pushed into soil. Dosage: 50mls per 1000 litres (220 gallons) initial dose 20mls weekly thereafter (or 10 mls weekly in small water features) 250ml treats up to 4,500ltrs (1000 gals)