Yes, you will need an air pump. Preferably one with multiple outlets so you can run multiple airstones. You won't need to water - the hydroton will "wick" the water from the DWC system. External roots will eventually do the trick. Good luck!
sneekymofo Reviewed by sneekymofo on . what medium and container to use during Veg? In small closet A, I have clones in rockwool plugs in dome propogation tray under flourescent lites. 18/6 on/off In other small closet B, next door, I have HPS 400 watt (using growrocks). Plants are now in Growth cycle 12/12 in 4 Easy to grow autopots w/reservoir. What medium - what size container - what closet should I put clones when they're ready to Veg? I can't use grow rocks for them because I'd have to water them many times a day, or so I've been told. I can't use soil because I'm Rating: 5