I don't know or remember if this stuff has been discussed here before but I thought it might be interesting to those that wern't aware of it. I haven't tried it yet but I usually will try anything once.
I remember saying that when a woman asked me if I wanted to try something other than the regular stuff at 17 and since then I've never held back on new things to try.
http://www.safestrustremover.com/acid.asp#
We use Concrete Etch (Phosphoric Acid) - $10 a gallon from Lowes or Home Depot.
I use a SEM product called Rustmot. Great stuff and easy to use.
OSFO is what I've use in the past, it worked great.....
also used this: http://www.eastwoodco.com/jump.jsp?itemID=24048&itemType=PRODUCT&path=1%2C2%2C372%2C373%2C374&KickerID=414&KICKER
I've used metal ready and ospho in the past, those chemicals treat the rust, the stuff I refered to above removes the rust and if you keep it contained you can just keep running it over the surface till the rust is completely gone.
I got the distinction. Thanks for the info.
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