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HESI PK 13/14 is balanced to HESI Hydro Bloom and HESI COCO.
Composition:
Phosphorus 9,0% P2O5,
Potassium 7,2 % K2O
Dosage: up to 15 ml / 10 Liter of nutrient solution
Packaging sizes: 500 ml / 1 L / 5 L / 10 L / 20 L