It is obvious that the site referenced sells fuel tests. THEIR tests on fuel additives is glaringly absent and grossly generalized. As with all compounds discussed on this forum it is the combination of chemicals that creates results. Neutra has proven its mettle for decades as a fuel additive, with no ill effects, only positive ones. As a purging agent it has been proven in industrial gear boxes, hydraulic systems, and engines to the satisfaction of thousands.
I am frequently asked about auto-rz. My response is that from everything that I read on the board it seems to be a fine product that does what is says it will.