Air stones make it a bubbler system. True Aeroponics use sprinklers or misters.

Check it often and make sure you have plenty of bubbles. A lot of people fall short of the required bubbles for a good system. There should be so many bubbles you can't see the bottom of the holding tank.
Zandor Reviewed by Zandor on . Aeroponic Cloner Just made this last night tell me what you think.... cost me less than $20 bux to make: 2 - 6"in. Airstones 1 - Aquarium Air Pump 1 - Tent 1gal. Tote Tubing and....Lots of Love!! Rating: 5