Most have two or three parts because it is very hard to put all 16 nutrients in one formulation. I looked up FF Big Grow MSDS since I didn't have a label handy, and it didn't list it. Their rate for a heavy feeder is still is 3X ours.
hi cemchris,
The Foxfarm msds for Grow Big doesn't show calcium as an ingredient and cannabis needs quite a bit. The Dyna-Gro base nutes have calcium in one formulation. That is what sets DG apart from the others.
That's great! Where did you get the calcium, cobalt and zinc that are missing from their micros? The cost was a bit more at double the 1 tsp/G Foliage-Pro application rate, and not even going to the 3 tsp recommendation on their label.
Why complicate your life with three parts. Dyna-Gro Foliage-Pro, GROW and BLOOM EACH have 100% of the macro's and micro's you need. The best program is Foliage-Pro for vegetative growth, and then switch to BLOOM for flowering.