METROP - CALGREEN CELL STRUCTURE - 1LCalgreen is a compound of Nitrogen and Calcium and represents a fundamental element to generate more robust and compact inflorescences, it also offers 80% protection against most molds and rot. With the addition of Calcium to the substrate, the ions of the other nutrients are freed more easily from the colloidal particles, thus ensuring that the plant has a greater amount of essential nutrients. The Metrop Hydroponic Calgreen Calcium formulation for