F9 Hard Water Stain Remover- Guys Please Post Here if Interested

This sounds like a great product, have some of those stains here but Tony Shelton has an account where the sidewalks are totally covered with this stuff.

The question I have is, what kind of sealer will help prevent this from returning if that is possible? I would think that the stain will return soon like when they water or when it rains.

Thanks Craig.

I think the oil stain remover will be your million dollar goldmine once you have that perfected and out in the field.

Craig, how's the oil stain remover coming along?
 
More great stuff from F9...$350/h (it takes a few hours + sealing) and customers are blown away....I need to focus more on this in 2014.
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Did this ever come around, looking to try it out if it is. Forgot all about this till I did some research for another concern.
 
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