Searles SeaMax Organic Fertiliser Liquid is a high nutrient, registered organic fertiliser which delivers brilliant results. Contains only fish and kelp, NPK: 10.3 : 2.5 : 2.5 - Contains 100% pure organic fish & kelp. - Rich in beneficial ocean fish oils.- Is cold processed to retain all the nutritional value found in fish and kelp. - Contains 60+ naturally occurring elements including vitamins, minerals, alginates, plant growth hormones, amino acids, gibberellins, cytokinins, auxins, phenolic compounds and proteins, promoting healthy growth. - BFA Certified fully organic to recognised worldwide organic standards. - Encourages strong seedling establishment. - Reduces stress at transplanting. - Increased and improved flowering and fruiting. - Concentrated formula - Available sizes: 1 litre and 5 litre concentrates.