Advanced Nutrients pH Perfect Micro 500 ml is a high-quality, three-part basic nutrient mix that is specifically tailored to the needs of your plants. With a unique range of amino acids, fulvic acid and a powerful non-ionic surfactant that forms a multi-stage delivery matrix, your plants are optimally supplied. The powerful chelation ensures that every nutrient is optimally available to your plants' roots. The pH Perfect® technology regulates the pH level automatically without the need for pH meters or chemicals.