Advanced Nutrients Connoisseur Grow A&B is a fine-tuned and optimized 2-part nutrient, made for strong and healthy crops. The product helps you achieve the maximum crop yield and the highest quality harvests. Advanced Nutrient's scientists developed the formula for any hydroponic medium and system. Your plants will grow stronger and healthier. Connoisseur A&B helps you set a strong foundation for the blooming phase. With the formula, you'll achieve large and top-quality harvests. Growers around the world use Connoisseur Grow A&B to maximize their plants' potential.