Stop in for a cup of coffee

Have you tried soaking it in 'easy off' oven cleaner before power washing... I hear that stuff really cuts through the grease....

But wear a rain coat and goggles as that stuff can burn if it gets on your skin.... :eek:

I am learning the value of PPE, I used to use a lot of chemicals just like that. Aircraft stripper burns like a flame.

I know oven cleaner really irritates the throat and feels like you're choking