You should check out this thread for a good DIY 6 site aero build by FilthyFletch: https://www.rollitup.org/hydroponics-aeroponics/22362-30-minute-6-plant-aero.html
If you're interested in a 6 site aero build you should check out the thread "The 30 minute 6 plant aero build" by FilthyFletch. The link is https://www.rollitup.org/hydroponics-aeroponics/22362-30-minute-6-plant-aero.html