[AT] Gas tank sealers

[Robert L. Holtzer]

I don't want to step on any reply Ron makes.  However, I would caution the 
use of muriatic acid (essentially hydrochloric acid of modest purity) in 
old tanks -- unless you like a sieve bottom.  Seems the tanks have rust 
pits -- the acid cleans them rapidly and thoroughly!  Sometimes the bottom 
of the rust pit is so thin, the acid dissolves what little metal there 
is.  I learned this through the school of hard knocks!  I have found that 
mechanical cleaning with chains, nuts, etc., takes out the big stuff.  Then 
I build a fine screen filter for the outlet.  The screen takes care of any 
residual rust, etc., that may come loose after the cleaning process.  So 
far this has worked well for me.

Bob Holtzer

At 03:34 PM 11/22/2004 -0600, you wrote:
>Thanks for the reply, Ron.  I have plenty of muriatic acid - it's the 
>stuff sold for cleaning or maintain swimming pools or whirlpools.  Is 
>there any reason that won't work?  What type of concentration do you 
>use?  and for how long do you let it sit before you risk eating a hole 
>through your tank.  The tank walls aren't very thick, and it sure isn't 
>very easy to see down inside to tell if it's clean or not.  Any special 
>tricks here?
>
>I was thinking of using a sealer not to seal up holes, but to coat the 
>tank walls so that the rust won't reform.  What's to prevent the rust from 
>coming back after it's treated with the acid?  The tank won't always be 
>full - historically it has usually been half full or close to empty for 
>extended periods.
>
>Thank you for your help,
>
>Kyle Sands <>< Huntley, MN
>
> > Hi Kyle.
> > I just cleaned the old rotten gas using Drano, left it nice and clean.
> > Muriatic acid should get rid of the rust.
> > If it doesn't have any holes you won't need sealer.
> >
> > Ron Haskell
> > rdhaskell at juno.com
> > Riverside, California
> > USA
> > http://albums.photo.epson.com/j/AlbumList?u=3009370&f=0
>--
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