In this first thread, the 5 week flower coala grown from seed was started on nutes at 2 weeks and in the second thread, all of the clones directly under the light started low amount of nutes at 1 1/2 weeks after rooting.
http://boards.cannabis.com/showthread.php?t=94533
http://boards.cannabis.com/showthread.php?t=94536
I don't use the Cal Mag all the way threw, for the fact that for about the last 2 weeks I want almost no N so the plant can use up it's stored N.
Adieu