In my DWC I fill the revervoir to the bottom of the basket and zip-tie the airstone to the bottom of the basket, as well. That assures that the developing roots get plenty of oxygen as well as assures the bubbles splash enough water to keep the jiffy plug moist. Once the roots are sticking out the bottom of the basket, as shown here, I cut the airstone loose and allow it to sink to the bottom of the reservoir.
StoneMeadow Reviewed by StoneMeadow on . deep water culture for the first time so I setup a deep water culture system this weekend with 5 white widow seeds i got from nirvana. I made a room about 2.5ft deep and about 12ft long. Got 5 buckets, filled them a third of the way up and got some airstones. For lights I have 4 cfl ballasts with 8 38 watt 6500k lights (22,000 lumens total), 2 100 watt hps (19,000 watts), 1 76 watt grow LED ( lumens ??). I have a few questions thought that i'm not quite sure on.... a.) do I have enough lumens? My room is about 30 sqft and I have Rating: 5