★★★★★
Prices start at : 17.55 USD / 3.00 lbs
General: Use 1-5ml per gallon of water or nutrient solution. Ingredients: Urea, Seaweed ( Ascophyllum nodosum ), Phosphoric Acid, Sulfate of Potash, Zinc Sulfate, Ferric Sulfate and Magnesium Sulfate.
- brand: Humboldt Nutrients
United States
Massachusetts