What's the most effective way to rid your property of moles? It isn't a lethal trap or poison, but a remarkably simple formula containing . . . castor oil! In fact, in a Michigan State University study, a castor oil-based repellent was effective in 26 out of 27 tests. Repels moles in spring, summer and fall without chemicals! Effective for 30 to 75 days, depending on soil type and rainfall For convenience, choose Mole Max premixed in a handy hose-end sprayer One quart treats 10,000 square feet For economy, buy Castor Oil in bulk and make your own mix Apply to lawn areas where mole activity is present 1 qt. of Mole Control treats 10,000 sq. ft. ½ gallon Castor Oil treats 30,000 sq. ft. Made in USA