Earth Gro is made by MG. I've heard the stuff is a pile of sticks and pine needles. You're right though, there's more than enough soil conditioners at HD to make a great soil.
Hey, I noticed your thread got swept under the rug and I thought I could help. The droopiness could be due to watering, but that is a good amount of light you have in that space. A 400w puts out about +50k lumens and the max is considered 10k per sqft (the amount of sunlight on a bright summer...
Hey, thought you should check this out. It's at HD and looks like it would be a way better nute for flowering.
http://www.homedepot.com/h_d1/N-5yc1vZ1xhc/R-100058554/h_d2/ProductDisplay?langId=-1&storeId=10051&catalogId=10053
Kellogg Patio Plus is sold at HD. It's organic and has worm castings, kelp meal, guano, perlite, etc. for only $5/1.5 cu. ft. Nothing even compares at that price.
LOL.
I noticed that this entire setup is from HD. It's all good though; it takes one to know one. I've never thought that you could do an entire hydro grow from MG nutes in hydro. I'm pleasntly surprised.
I myself don't have access to more sophisticated hydro stuff, so I'm wondering how you...