Evergreen and Cedar Feeder?

Has anyone used Evergreen and Cedar Feeder? I have a few kinds, thinking of using 30-10-10 for veg?

Total Nitrogen (N)- 30%
Available Phosphoric Acid (p2o2)- 10%
Soluble Potash (k2o) - 10%
E.D.T.A. Chelating agent - 0.27%

Chelated Micronutients
Iron Actual (Fe) - 0.03%

Non-Chelated Micronutirents
Boron Actual (B) - 0.02%
Copper Actual (Cu) - 0.07%
Iron Actual (Fe) - 0.12%
Manganese Actual (Mn) - 0.05%
Molydbenum Actual (MO) - 0.0005%
Zinc Actual (Zn) - 0.08%

Bump...Anybody know? Would it be ok to use in veg. ?

Has anybody tried using this kind of fertilizer for cannabis? Would it be safe to use?