Advanced Nutrients Sensi Bloom A+B is a complete 2-part nutrient designed to optimize your plants' flowering capacity. The formulas contain high-performance ingredients, which strengthen your plants' blooming and fruiting rates. Advanced Nutrients created Sensi Bloom A+B to provide your plants with a boost of energy during the blooming phase. The products are highly soluble and plants can easily absorb the nutrients. Growers worldwide use Sensi Bloom A+B during the flowering and fruiting phases to ensure increased harvest yields and tastier fruits.