No, please do not use stove blacking on your Hobbit stove.
The painted surface of your Hobbit stove will become discoloured and blotched if you use stove blacking. Stove blacking should only be used on old stoves that have been ground or sandblasted.
Your Hobbit stove must be painted with Stove Bright paint, and enamelled stoves only need to be washed with hot distilled water and brown soap.