Tomcat® Mole and Gopher Repellent Granules utilizes a proprietary formulation that improves the ability of the active ingredient castor oil to penetrate into the soil. Using ground-penetrating technology (GPT) improves the castor oil s ability to mix with water and sink deep into soil. This formula creates an unpleasant taste and smell for the burrowing pests causing them to relocate. The repellent not only deters moles and gophers but also voles armadillos and other burrowing pests. Use it to control existing infestations or as a preventative treatment. Applications can be easily made using a Scotts® broadcast rotary drop or Wizz™ spreader. When applying start where pest damage is noted on the lawn and move outward out of yard area. For the best results follow the four day process to achieve comprehensive coverage across your lawn. Treats up to 4 000 sq. ft. Tomcat® Mole and Gopher Repellent Granules is safe for your lawn and garden (when used as directed).