Ultrasol® micro Rexene® FeE13 is a stable, water soluble EDTA iron chelate developed for use against iron deficiency. It can be applied by foliar fertilization, soil application or in hydroponic systems, although soil application is only recommended when soil pH is below 6.5. Typical iron (Fe) content is 13.3%, fully chelated by EDTA. It has a pH stability of 1.5 to 6.5 and a water solubility of 90 g/l for practical use.
