I used oasis foam back in 2006 and 2007 when I grew a bunch of seeds. It worked well too but, it too is not cost effective and it took alot of time.
I'm fixing to look for the website for the tree trays. I'll be back shortly,
I could not find my thread with Michele's info, so I did some searching:
http://www.growerssolution.com...
http://www.jrjohnson.com/searc...