Upuper Hydroponic 6*6inch Growing Blocks Better Than Coco Coir Indoor Plants Planting Rock Wool Growing Medium Cubes

Upuper Hydroponic 6*6inch Growing Blocks Better Than Coco Coir Indoor Plants Planting Rock Wool Growing Medium Cubes. Optimized for Indoor Harvest: 6x6 inch blocks designed for final growth stage, supporting large plants to harvest. Superior Water & Air Control: High fiber density and grooves ensure nutrient availability and root air pruning. Uniform & Consistent Quality: Automated production ensures uniform structure, decreasing stalls and shortening harvest cycles. Eco-Friendly & Sterile: Inert and sterile material, free from pests, diseases, and reduces peat extraction pressure. Universal Plug Compatibility: Perfectly sized planting holes accommodate any 1.5 inch starter plug. UV-Resistant Packaging: Packaged in photodegradable, UV-resistant sleeves for comfortable handling and algae prevention. Customization Available: Customization from samples and designs is available for specific requirements. Trusted Manufacturer: Backed by 350-acre base, ISO45001 certified, with global brand recognition.