Neudorff liquid fertilisers are made entirely from natural, organic raw materials and have all the key nutrients that plants need. This multi-purpose plant feed is safe for use around children and pets and is perfect for use on your house plants. Organic liquid fertiliser NPK 3-1-5 contains vitamins, enzymes and vegetation supporting substances, which enhance the growth of your plants and promote flower development. Supplied in a 1 litre concentrate bottle. Note: This product is not suitable for use on hyrdo cultures.