What is the daily extra cost of the sauna on The Norwegian Gem

First post on cruise critic. First time on a NCL ship. Have been on Celebrity and RC several times. My wife likes to use the sauna, but not every day. On RC it was free, but I heard NCL charges. Has anyone been on the Norwegian Gem lately? If so could you tell me what the cost of a day pass to the sauna area is? Thanks!

Welcome to CC.

Might want to try posting on the Norwegian board.

Which is located here:

http://boards.cruisecritic.com/forumdisplay.php?f=107