CocoTek Grow A+B provide balanced and complete plant nutrition for the vegetative phase. This is part B. This unique formula provides elevated levels of our proprietary calcium blend. CocoTek nutrients are designed for Coco and will work well with any growing method and media.Premium Coco Nutrient is a powerful, high quality base nutrient, formulated to work with and enhance coconut coir.This aggressive formula contains proprietary blends of calcium to ensure your plants thrive. Backed by years of research, CocoTek Premium Coco Nutrients are specifically designed to support and enhance your coco coir growing experience. Use CocoTek Premium Nutrients with CocoTek Premium Coco Coir for optimum results.Designed for coco, and works well in hydroponics, soilless and soil.Part B of this easy-to-use two-part formulaFormulated for aggressive growth and superior bloomsEnhanced calcium for coco coirBalanced magnesium levelsClean and consistent results