Updated: Who sees your Google+ post? | GooglePlus Expertise | Scoop.it
From googleplushelper.blogspot.fi - March 24, 2013 10:14 AM

Some Community posts may also be shown in all the people's Home stream who belong to that community, depending on the settings. For Control: You can now choose different settings for each community from the community itself, there is no general place to do that.