tjbnwi said:He probably said mineral oil, I've never heard of marine oil. Food grade mineral oil is what i use on my cutting boards.
Zinnser Seal Coat, twice. Trans tint dye. General Finish salad bowl finish.
http://www.rustoleum.com/cbgproduct.asp?pid=246&sid=00850
http://www.homesteadfinishingproducts.com/htdocs/TransTint.htm
http://www.generalfinishes.com/retail-products/oil-base-top-coats/salad-bowl-finish#.UPoFAWt5mSN
If the top is used as a true butcher block use mineral oil only.
Tom
+1 for mineral oil. Hard maple will hold up on it's own ask any butcher that uses one every day and at the end of the day scrubs it with a wire brush and wipes it clean.
Jack