GRF 13-13-13 NPK Granular Fertilizer (3lbs.)

Green Ribbon Fertilizer Verified independent store

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Universally used macro-nutrient for starting off your harvest. For approximately 25 lbs. of a prepared potting soil:Add two large tablespoons of GRF Ultra Booster and one tablespoo n of GRF 13-13-13. Mix well with spade or shovel. For approximately 50 lbs. of a prepared potting soil: Add a half cup of GRF Ultra Booster and two tablespoons of GRF 13-13-13. Mix well with spade or shovel. For approximately 100 lbs. of a prepared potting soil: Use a full cup of GRF Ultra Booster and a half cupboard of GRF 13-13-13. Mix well with spade or shovel. Total Nitrogen (N) .... 13.00% (5.08% Ammoniacal Nitrogen, 7.92% Urea Nitrogen)Available Phosphate (P2O5) .... 13.00%Soluble Potash (K2O) .... 13.00% Net Wt. 3 lbs (1.36kg) Derived from: Urea, Diammonium, Phosphate, and Muriate of Potash. Show more