Foxfarm Grow Big Liquid concentrate...
6-4-4
2.9% Ammoniacal Nitrogen, 3.1% Nitrate Nitrogen
4% P
4% K
0.60% Magnesium
0.02% Boron
0.05% Copper, Chelated
0.10% Iron, Chelated
0.05% Manganese, Chelated
0.05% Zinc, Chelated
Derived From: Ammonium Nitrate, Ammonium Phosphate, Potassium Phosphate...