GP3 Micro

This unbeatable 3-step nutrient system features a combination of essential primary, secondary and micronutrients in three specific formulas – Grow, Bloom and Micro. GP3 offers pure ingredients, superior nutrient ratios, comprehensive formulation, enhanced outcomes and better value. It's free from carbonates and synthetic dyes, with the purest salt and residue index available. GP3 also features three distinct chelated iron sources tailored for a wide variety of pH environments.