Gold Label Coco is a professional grade mineral two component base plant nutrient for the vegetative and flowering phase on coco substrates. Add A & B in equal quantities, 0.5-3ml/litre or until the desired EC. The chelated micro elements guarantee optimum availability in a wide pH range. Never combine pure nutrients together, always mix in water. Shake bottles before use, store at room temperature. Optimized for Gold Label Coco substrate.