Expanding its modest selection of teas, Portola Coffee Lab introduces it's take on the tea house with Seventh Tea Bar, which... opened to the public on January 2, 2013 at the OC Mart Mix in Costa Mesa (3313 Hyland Avenue). The concept’s name is derived from the traditional Chinese belief that tea is the seventh of the seven necessities. With 40 to 60 unblended single-estate teas brewed with...