Silex Bio-Available Silica (0-0-12.4)
Silex Bio-Available Silica 0-0-12.4 Concentrate is one of the cleanest and most powerful silica on the market. Silex increases plant structure and nutrient uptake with each feeding. It is the most affordable and cleanest silica on the market and possesses nearly 8 times more silica than the most expensive products. Silex contains nearly 40% combined silicas and potassium silicates plus borax and molybdenum.