Bulletproof Si® features a potent 5% Silica (Si) formulation designed to significantly enhance plant strength and increase resistance to environmental stressors such as pests, diseases, and harsh conditions. Recommended for use throughout all stages of plant growth—with the exception of the final three weeks of flowering—this product supports robust development and fortification. Bulletproof Si® is versatile enough for use in all fertigation systems, from drip irrigation to recirculating hydroponics, and is also effective as a foliar spray during the vegetative and transition development stages. Compatible with all commercial nutrient programs, Bulletproof Si® seamlessly integrates into any cultivation regiment, ensuring plants are well-equipped to thrive in a variety of growing conditions. *Note that it is always recommended to mix Silica (Si) into a reservoir and fully solubilize prior to adding any other nutrient inputs. Silica has a tendency to bond with other nutrients creating a reaction that could clog irrigation components.