As from the start high quality has been the main characteristic of Hesi's fertilizer and supplements. Valuable additives such as amino acids, enzymes and plant sugar turn every product into a "source of health" for your plants. The Hesi fertilizers work interactively by e.g. correcting automatically the pH-value in the soil and setting it to a light basic value. By using complex bound materials Durch Verwendung komplexbindender Stoffe (chelates) an optimal availability of all nutrients is guaranteed. In short: maximum results through simple use. The complete Hesi product line resulted from a plant hobby, and the deman