Hydra-Phite 40 is a more concentrated solution of phosphite designed to maximize the phosphorous acid delivery to the plant. Contains 5.84 pounds of phosphorous acid per gallon. Designed to improve plant strength and stress resistance, derived from phosphorous acid this formulations is extremely soluble and readily absorbed via the roots and foliar tissue . Studies have shown Hydra-Phite 40 enhances the activity of fungicides when jointly applied. In addition, the utilization of other nutrients when mixed and applied together as a supplement to a well balanced fertilizer program.