No, you do not want to let your pump run 24/7. In a cloner that's okay, but not in an aero system when you are vegging/flowering. I have my pump spray 6 times a day in 15-20 minute intervals. 8:00 am, 12:00 pm, 4:00 pm, 8:00 pm, 12:00 am, and 4:00 am. If you run it 24/7 root rot will occur, and...