ZEROTOL 2.0 2.5 GAL, An effective broad spectrum bactericide / fungicide that increases plant health by killing algae, bacteria, fungi and their spores on contact. Labeled for edibles and greenhouse food crops and can also be used on ornamentals, turf and landscapes. Controls foliar and root diseases and is safe to use on foliage and most open blooms. Leaves no harmful residue behind and has Zero REI. Can be applied as a foliar spray or drench.