: Temp should not have been a problem as I brought the hatch cover in
: the house for the last four days to avoid any cold problems. I
: was sanded with 220 grit, and used non blushing Mas epoxy,
: thx,,Dan

Don't mean to sound patronizing, but did you stir the varnish first? Cans can sit on the shelves for years and settle out.

Regardless sounds like you'll have to remove the varnish, might just be able to heat with a hot air gun and scrape then sand the rest off and try again.

Bill H.