I sloshed the safe-T-poxy resin composite tanks on my or with the Bill Hirsch slosh compound sold by Aircraft Spruce. I ran mogas in it for 24 years and never had any issues. A very thin coating is sufficient. There is no reason for thick coatings.
You will also hear horror stories about slosh compounds peeling loose in tanks. That is true, but primarily applies to aluminum tanks that were not prepped correctly before sloshing. You wouldn't expect the slosh to stick to unprepared aluminum any more than you would expect paint to stick to unprepared aluminum. Consequently, Van's sent out a service bulletin recommending scraping all the slosh out of their aluminum tanks. In the aviation community, that was retold repeatedly until people decided slosh compound is all bad and is destined to peel and plug up your fuel system. As usual, people only get part of the story.
-Jeff Scott
Arkansas Ozarks
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Sent from my Android phone with GMX Mail. Please excuse my brevity.
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