GH Armor SI, Gallon from General Hydroponics is the perfect product for gardeners looking to improve the health of their plants. This revolutionary product helps to unlock the hidden potential of the soil and stimulate strong growth for bigger yields. It provides essential minerals to promote robust growth and helps to maximize nutrient uptake for healthier plants. GH Armor SI, Gallon also helps to improve the health of the soil, ensuring that your plants have access to the nutrients they need to thrive. With this powerful product, you can rest assured that your plants will be healthier and produce bigger yields.