It is concentrated alkaline liquid for oven cleaning and degreasing. It is removal of burnt and backed on-grease and carbon deposit from oven grills and kitchen other equipment.

It is ready to use.
Spray the oven cleaner 4 to 5 inches away from the surface. Allow the cleaner to react on surface. Rube throughly with a soft brush. Wipe with a dry cotton cloth or sponge and rinse.