Tea Lounge. 837 Union St., between Sixth and Seventh avenues in Park Slope, (718) 789-2762. R train to Union St., or 2/3 to Grand Army Plaza. Opens 7 am weekdays, 8 am weekends. Bar open Mon-Thu, 5pm–midnight; Fri, 5pm–1 am; Sat, 2 pm–1 am; Sun, 2 pm–midnight. For more info, visit http://www.tealoungeny.com.