Removes baked on blood and food residues from ovens and grills. Do not use on aluminium or galvanised metal. DIRECTIONS: For optimum efficiency warm up oven and switch off before application. (Do not apply to hot surfaces). Apply an even layer of product to the soiled surface. Leave oven cleaner for a period of time as indicated below. Wipe off with a damp cloth and rinse with clean water. CLEANING TIMES COLD OVEN/WARM OVEN Light grease 3 mins/1 min Heavy grease 30 mins/5 mins Baked on grease 12 hours/2 hours.