I need Help, I have tried many different Chems in my own arsenal.( NOt Much success)

[Ron Musgraves]

Another


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[Ron Musgraves]

another


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[chrishartje]

What did the trick?

 

[Tony Shelton]

Ron, have you tried corn or green beans? Just sayin'

 

[Christopher]

The test spots look great Ron!

 

[Ron Musgraves]

This was the money shot


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[Soap911]

So what worked?

 

[Kory]

I think the winner should get a Ipad.

 

[Ron Musgraves]

So what worked?

Linda the acid was the winner. Hf hate to say it because guys will run down and grab this stuff and think they can just spray it without proper protection.


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[Scott Stone]

Does that mean I get an Ipad2? I think I was the first...

 

[outdoorprowash]

Yeah, it look a little better now.

 

[outdoorprowash]

HF is some serious business. It attacks calcium which is what our bones are made of and our body needs to live. Exposure can be fatal!!! Kids, don't do this at home...

Way to go Ron and crew! I'll take an IPad if you have any leftover.

 

[Russ Johnson]

It appears to be a mineral deposit. I would think an acid based product would work...maybe a little HF.

Does that mean I get an Ipad2? I think I was the first...

Nuh uh.....


George, not to minimize the danger of HF in any way, but high concentrations (49% - 70%) is fatal. The finished product, aluminum brightener, is usually 10% - 15% max, which can still be quite painful and dangerous, but not the threat that the raw material can be. When I make aluminum brightener, I'm clad head to toe in rubber, goggles, and a respirator. It is some ugly stuff straight.

Just don't get it on ya...

 

[EcoClean]

You gonna Seal n' Lock that to help keep it clean, Ron?

 

[tomtucson]

Russ how does the sodium bifluoride stuff compare to hf? Does it 'release' hf when applied? Is it like 'buffered' acid and is it dangerous? Klenstone and safe restore have fluoride salts I think thats sodium bifluoride.

 

[Russ Johnson]

Go here: http://cameochemicals.noaa.gov/search/simple

type HYDROGEN FLUORIDE in the search window.

 

[Chris Tharpe]

Russ how does the sodium bifluoride stuff compare to hf? Does it 'release' hf when applied? Is it like 'buffered' acid and is it dangerous? Klenstone and safe restore have fluoride salts I think thats sodium bifluoride.

Ammonium not sodium

 

[Ron Musgraves]

Yeah it's some bad stuff , I'm not going to seal n lock this.


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[Russ Johnson]

Ammonium not sodium

Same basic family, HF is a byproduct of mixing with water.

http://cameochemicals.noaa.gov/chemical/2430

 

[Greg Rentschler]

Safe Restore would probably do the trick on that as well without the HF concerns.