@Ted- No, I haven't run the commercial lately. TV advertising is expensive to do it properly. Advertising is as much about branding as anything else, so with a tv ad you have to run it alot before people ever start to recognize it and pay attention. It's only on for a 30 seconds or so,..where as print is a reference type of advertising and is always there.
Thanks everyone else for the input, I may get some and try it, (Shipping could be the deal breaker though)
I don't do greasy commercial concrete work,..seems like this is where EBC really shines. I'm sure it's good for other cleaning also. as I said, I was looking at an option for gutter streaks, Purple Power I use now works great, local and cheap,..but I always like to know what's available.
@Carlos- Thanks for the information and video.
Jeff