Jack's
Jack’s Nutrients® Soluble Powdered Fertilizers
Jack’s Nutrients by JR Peters delivers water‑soluble powdered fertilizers engineered for gardens and controlled‑environment crops. Built on more than 75 years of formulation expertise, Jack’s emphasizes clean inputs, rigorous testing, and cost‑efficient formulas that provide precise nutrient ratios tailored to water type and growth stage, without unnecessary complexity.
