Crystal Spa is a Korean day spa in Koreatown, Los Angeles, open 7 AM to 10 PM every day. Its heated rooms include a Himalayan salt room made with natural Himalayan mineral ore, a charcoal room, a red mud room, a cedar dry sauna and a communal jimjilbang lounge, with an air-conditioned cool-down room for contrast between heat sessions. A day pass costs $30 for all rooms with no time limit, or $20 for early birds on weekdays before 9 AM.