Jack's Nutrients Finish helps plants finish their growth cycle strong! Provides plants with a very low nitrogen Provides high phosphorus Provides very high potassium content Formulates to keep the whole plant happy to the end of its crop cycle 1Kg (2.2lb) The formula design of Jack's FeED 7-15-30 is to promote a robust plant with high quality nutrients at the right ratio for plant uptake at it's growth stage. Jack's promotes strong finished plants. You have always been told to finish strong. This formula is ideally formulated for this purpose to provide your plants with low N, high P and high K content to keep the whole plant happy to the end of its crop cycle.