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Anonymous.
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November 23, 2016 at 1:42 am #5756
Anonymous
What is the current favorite for cleaning gas tanks? Is METAL RESCUE worth the cost, $25 per gallon?
Bob
November 23, 2016 at 7:10 am #47885Steel or aluminum? I can tell you what I’ve done recently with 6 gal tanks:
Pint of acetone sloshed around for a couple of days to dissolve polymerized gas/oil stuff.
Hot water, TSP, and pint of stones shaken and sloshed around for a good while.
Rinse.
Tread with phosphoric acid solution such as Phospos or similar.
Any actual holes patched with epoxy.
Assuming inspection shows rust/scale gone and metal a clean grayish color.
Coat inside with POR15.
All this, of course, is a pain in the ass, not including refinishing the outside of the tank, making gaskets, and all that. Is there one cleaner that can do much of this in one treatment? If so, I would like to know about it.
November 23, 2016 at 12:27 pm #47889Assuming we are talking about varnish/old gas residue, etc. I use Castrol Super Clean. Mix it up heavy and use HOT water. Follow with another rinse of HOT water.
Be careful, it does attack the paint, strong stuff.November 23, 2016 at 3:01 pm #47898When deciding on the best procedure to use it is worthwhile to
determine what has caused what you trying to remove. Rust
and corrosion is a result of moisture so water base solvents
usually produce the best result. Goop from dried up oil and gas
responds best to solvent base cleaners. If your dealing with both
removing the goop first and then going after the rust and
corrosion seems to make the most sense but a water base cleaner
that dissolve grease can be effective with time. If the tank is so
rusted or corroded you end up with holes in it you should search
out another. Even if you patch the holes in some way the tank is
weak because metal is missing throughout the tank and it can
puncture easily.A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.
November 23, 2016 at 10:58 pm #47927White vinegar can make miracles too in a steel tank.
Same thing for electrolysis.
And then , shaking the tank with a handful of screws / bolts.
Before / after.
Almost done, work in progress for now. Maybe I’ll pour it with a mix of mollasses and water later.
November 24, 2016 at 1:03 am #47934I once did this too 😛
November 24, 2016 at 6:18 pm #47971Anonymous
Thanks, folks!!!
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