Ferriplus��is a water soluble EDDHA chelated iron (6%) for use on so...Ferriplus��is a water soluble EDDHA chelated iron (6%) for use on soils above pH 7.5. It is derived from iron (Fe) EDDHA (ethylenediamine di-(o-hydroxyphenylacetic acid)). Ferriplus is a source of iron in a form which is readily available to...more