I bought mine at a restaurant supply house. This is highly concentrated
stuff and needs diluting before you use it. A gallon was 55.00, but I
keep a 5 gallon bucket
half full with about 6 oz. acid in it. Drop a handfull of bolts and
brackets in it
at night and by morning they are without rust or paint. Once it dries it
has a coating that prevents rust. Keep a little vinegar handy for spills
and skin contact. 4 ozs. did a gas tank, 2 pints should be about right
for an engine block in a 55 gallon barrel. I also invested in several
good rubber gloves and a box of those latex gloves.
Bruce Lowry
Gerard wrote:
>
> It's phosporic acid priced a 2 or 3 times what you can buy it at Home Depot
> or other hardware suppliers as Jasco Prep 'N Prime.
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