★★★★★
Prices start at : 17.55 USD / 3.00 lbs
Ingredients: Urea, Seaweed ( Ascophyllum nodosum ), Phosphoric Acid, Sulfate of Potash, Zinc Sulfate, Ferric Sulfate and Magnesium Sulfate. Hydroponics: Mix 1-5ml per gallon of water in reservoir.
- brand: Humboldt Nutrients