Good luck with it all - acetone I beleive will remove most of the chemical type liners including creme, so you can try that to get the old sealant out of the tank. I also notices this stuff that kreem makes that is made for protecting your paint during the process, you put it over all the paint and let it dry, then seal the tank, then apparently wipe the stuff away and it will stop any of the chemicals from harming you paint.<p>http://www.rute66.dk/18/18%20GB%202004% ... .pdf<p>Rob
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roadkillrobert@yahoo.com