Tornador--cleaning solution?

Both of my Tornadors arriving Friday--can't wait--thanks to my
son-in-law(yeah, I promised to use them on his cars first).

What solutions have you tried/recommend for the regular
Tornator (I know they make an enzymatic cleaner for it, but
it's pretty expensive).

Thanks

What have you tried/recommend? No suggestions?

Thanks so much. Maybe we'll start to get more feedback , as new
purchasers begin to use theirs.