Parafine Horticultural Oil is an chemical miticide for spider mite control Spider mites and other mites that pretense a serious threat to hibiscus has always been hard to dispose of. Plant leaves can clean, blast with water, chemical miticide can be use to control them, but they are newer a convenient pest that is difficult to control. Many studies of the use of horticultural oils for the control of mites have led to guidelines from many University agriculture extension services that recommend horticultural oil for spider mite control Parafine Horticultural Oil is a highly refined petroleum or paraffin oil that is very light-weight. It is designed for use on plants and doesn't stain or burn them if used according to directions. it smother many insects, including spider mites. The light-weight oil mostly evaporates and does not remain on the plant more than a day. Parafine Horticultural Oil can be used in a house and doesn't have an odor or residue that stays in the air. In our tests of this product we have found it easy to use, and highly effective against spider mites. Active Ingredient is : 98% Petroleum oil.