where you from man? here in aus i turned eveyone onto scotts osmocote plus organic, lil pellets, trf, doesnt burn your plants, has EVERYTHING in it and cost per plant 4 nutes total if we used this as the base was bout 4 dollars a run, averaging bout 5 zips a tree...
thats in giant hybrid air pruning hempys with airstones and cobb training tho