Blackstone Griddle Top Restorer is great for griddle surfaces, created to break up grease and make cleaning your griddle a breeze. Directions - Clean griddle top. Remove loose rust with a scraper. Wash surface with soapy water, rinse, and dry. Apply Griddle Top Restorer Cover to rust affected areas with generous amount and spread with applicator pad (include the sides). Allow Restorer to sit for 5 minutes. Agitate Restorer with applicator pad. Repeat step 3 (two times). For stubborn rust repeat Steps 2 and 3. Use Blackstone's Degreaser, Griddle Seasoning, and Griddle Spray to condition and protect your griddle top.