TeraVita FA-O is a liquid concentrate that contains 2% active fulvic acids by weight. Fulvic acids are not a plant food. Fulvic acids may increase the availability of micronutrients.
TeraVita FA-O has been thoroughly filtered through a 200-mesh screen and will not clog spray or irrigation equipment.
TeraVita FA-O is compatible with most materials. To be safe, an initial jar test is always recommended when mixing TeraVita FA-O with companion materials for the first time.