Bulletproof Si® delivers silicon in a form that may be utilized in virtually any fertilizer regimen. The silicon form (SiO2) has shown to increase agricultural production, yield, strengthening plants, promote resistance to stressors like heat, cold, drought, lodging, accelerate maturity, promotion of an advantageous upright stature which leads to favorable exposure of leaves to light. It is formulated without potassium to facilitate application flexibility, and is extremely beneficial in hydroponics, coco blends, and soilless growing media. The specialty enzymes used in the formula produce a sour, almost acetic smell. Always shake very well before use. Designed for use in hydroponics, continuous feed, drain to waste, soilless, and traditional soil growing applications. Use lighter solutions for young plants, perennials, and during foliar application, and higher strength solutions are best suited for fast growing annuals, during both vegetative growth and fruiting/flowering. Product should be applied to roots and leaves during all stages of growth.