mebbe if you were in grey ol london.... it'd work... but iffy on that lol (mebbe thats where all the 'success' stories come from?
i saw that and said thats gotta be snakeoil - send to dans data and the response should be interesting (he loves to debunk these guys and can give a much better explanation WHY too lol)
my brother corrected me tho - norbie is right - if theres electrolyte present, okay - its not totally snakeoil then. but in a car application - pfft. try something else