- Advanced Nutrients pH Perfect Connoisseur Bloom Part A & B is a powerful 2-part nutrient system that helps to increase flowering 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 flowering stage. With its unique blend of ingredients, pH Perfect Connoisseur Bloom Part A & B is the perfect choice for growers looking to take their plants to the next level.