- Advanced Nutrients pH Perfect Connoisseur Grow Part A & B is a powerful 2-part nutrient system that helps to increase growth and yield in plants grown in soil, coco, coco coir, perlite, or hydroponic. This specially formulated blend of nutrients optimizes the pH levels of your nutrient solution, ensuring that your plants have access to the exact balance of nutrients they need during the vegetative stage. With its unique blend of ingredients, pH Perfect Connoisseur Grow Part A & B is the perfect choice for growers looking to take their plants to the next level.