Donate Blood and Help Save Lives. RockBox Fitness is hosting a blood drive on August 25th from 10:30 a.m. to 4:30 p.m. Please call 1-800-RED CROSS (1-800-733-2767) or visit and enter: RockBox Gainesville to schedule an appointment. You can streamline your donation experience and save up to 15 minutes by visiting to complete your pre-donation reading and health history questions on the day of your appointment.