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Old 01-20-2013, 05:00 PM   #19
Tom.B
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City: Cary, NC
Vessel Name: Skinny Dippin'
Vessel Model: Navigator 4200 Classic
Join Date: Jul 2009
Posts: 5,841
No. Fuel polishing is the act of pumping your fuel out of your tank, then through a filter (or multiple filters) and back into your tank. You will end up with clean-ish fuel, but if your tanks are dirty, it will not clean them very well. Some fuel polishing rigs have a strong return stream that can knock down some gunk, but there is no way to get it all. TBH, I might have been ok with a thorough fuel polishing if the person knew what they were doing (e.g. Craig), but I have had the boat for three years and had not opened the tanks. I wanted to know for sure what was going on in there. So I am glad I did it.

I would actually say this to you. If you can afford it and don't have a ton of fuel in your tanks (assuming you are unable to open a port and see inside), I would say to get someone to scrub your tanks the best they can with the polishing rig and then empty your tanks and put in new fuel. When Craig showed my my fuel after polishing, it still looked pretty bad.

Tom-
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