Jack's Nutrients Feed 12-4-16 Reverse Osmosis Pure Water Fertilizer, 2.2lbs

The Jack’s FeED line is comprised of complete nutrient formulations. Everything your plants need for each stage, from start to finish. Jack's Nutrients 12-4-16 1 kg bag features a one part nutrient blend that is designed for crops grown in very low alkalinity waters such as reverse osmosis (RO) water, rainwater, and distilled water. Designed to provide a highly soluble NPK plus and enhanced micronutrient package to help replace the nutrients that are missing from pure water and RO filter water types.