Grassroots #12 Grassroots Oven Cleaner is formulated to remove tough greasy build-ups in institutional and commercial kitchens. It is designed to clean grease and carbon from hoods, ovens, grills, broilers, deep fryers, etc. Its thickened formula clings to vertical surfaces and hard-to-reach areas. All of our Grassroots products comply with all regulations as recommended by Green Seal and Environmental Choice. They are 100% water-soluble and biodegradable.