Advanced Nutrients - Organic Iguana Juice GrowOrganic, Hydroponic, Vegetative, Base Nutrient for Rapid Growth & Delicious Yields. People who want all organic formulas are cheering about one part liquid Iguana Juice Grow. It's the best organic vegetative formula on the market, with natural ingredients that give your plants a firm foundation for a fantastic flowering phase later on. You'll see increases in density and strength of branching, larger & healthier root systems, faster vegetative growth,