All i can say is:
http://boards.cannabis.com/hydroponi...iscussion.html

Ever Since I've been using GH Flora i have substantially increased my weight each harvest...

Grow 1 (B*Cuzz Nutes, 2 plants) - .5 oz dry

Grow 2 (B*Cuzz Nutes, 5 plants) - 2.5 oz dry

Grow 3 (GH flora Nutes, 4 plants) - 5 oz dry

Grow 4 (GH flora Nutes, 4 plants) - 17 oz dry

Perhaps experience and system tweaks have also contributed to the yield increase. But read through that thread. you may be convinced.

good luck.
Skeet