Pre-Washed, Sustainably Sourced Hydroponic Substrate Mix (5-10mm) Transform your plant care routine with our scientifically formulated hydroponic substrate mix—a sustainably sourced, premium-quality alternative to LECA and soil-based growing. Designed for semi-hydroponic and passive hydro systems, this blend provides optimal pH balance, moisture retention, and aeration for healthy root development. 🌟 Premium Quality You Can Trust: ✔ Pre-Washed & Ready to Use – No rinsing required, just pour and plant! ✔ Curated Rock Blend – Includes [lava rock, pumice, zeolite] for enhanced water and nutrient absorption. 🔬 Scientifically Formulated for Optimal Plant Growth: ✔ Balanced pH & Moisture Control – Prevents root rot while ensuring consistent hydration. ✔ Superior Airflow & Drainage – Porous stones promote oxygenation for stronger, healthier root growth and prevents root rot. ✔ Enhanced Nutrient Absorption – Rocks naturally retain and release moisture as plants need it.