Repelling skunks, groundhogs (woodchucks), dogs, cats, raccoons and squirrels. Patented, OMRI-« Listed and compliant for use in organic gardening, this ready-to-use spray is a very effective animal repellent. Critter Ridder-« gives you longer-lasting repelling power. Just one application of this unique rain-resistant, animal repellent protects up to 320 square feet and provides up to 30 days of protection while other brands require more frequent spraying. Less spraying means less cost and less work so you can spend more time enjoying your yard.