Searles SeaMax Seaweed Organic Fertiliser is a certified 100% organic fertiliser, suitable for all plants. Enhances vegetables, fruits, flowering plants, indoor plants, ferns, orchids, roses, lawns etc. SeaMax Seaweed boosts plant and root growth, conditions the soil and helps the plant resist stress. - Contains 100% pure organic seaweed (kelp). - Boosts overall growing success! One of the key benefits is the stimulation of plant roots to exude sugars, which activate microbial interactions to make soil nutrients more available. - An excellent soil conditioner & plant tonic. - Stimulates root development. - BFA Certified fully organic to recognised worldwide organic standards. - Available sizes: 1 litre and 5 litres.