Propagation: DIY AeroCloner - EzCloner - U name it., 1 by billgrubbs

billgrubbs wrote:
I put the pump relay in a plastic box to make it safe. Now I just plug the cord from the box into the wall and plug the pump into the other side. The controller works great. I initially set it to come on 30 seconds every 5 minutes. Now I have it running at 30 seconds every 10 minutes and it seems to be fine.

Since I have been studying about the importance of oxygen in plants, I am wondering if enough oxygen gets to the roots in this setup since it is basically a closed system. Does anyone have a way to introduce more fresh air in the unit? I think some fresh air inside would be a good thing.