yup same as DWC.
this is an article about building them
http://www.overgrow.com/article.php?articleid=2
4 weeks from clone? I'm not sure, I think it depends on growth rate. I'd think that 4 weeks under a 400 should be a big root system though.
This page has a root shot of DWC by blazeoneup
http://www.icmag.com/ic/showthread.php?t=8797

the plants were flowered at 19 days so that root shot is at about 3 weeks.

peace
phillykid420 Reviewed by phillykid420 on . how do you make a BUBBLER SYSTEM? anyone have a link or instructions on how to make a bubbler system? thanks Rating: 5