I had to check the date the video was put up it looks great in the video but go to the home depo Page and read the feedback i only read the first so maybe it wasn't applied correctly but not withstanding uv light is a bit of a downer
Good idea with the toilet brush seeing as most are kept in the dark
There is an FAQ at the very bottom of the page - where they candidly describe suitable/unsuitable situations in which to use the stuff. They used it quite happily on all their kit on a one week wet mountain hike.
Worth a read.
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Real torque curves don't have a first derivative. :-^)