ok so i want to do a aeroponic grow and it will be my first ever grow attempt but i was planning on doing the pvc tubes with holes cut in them and then sprayers inside the pvc pipes BUT i cant seem to find out the details on watering, do i set a timer to every so often or do i run the spray/misters constantly? any help with this type of grow is awsome any additional info would be great also or any tips or tricks, also i plan on running co2, does any1 have some good info on how to run it and stuff?