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The Char Coir 4" BioPot is designed for the vegetative stage and is equivalent to a 16 oz. cup of substrate minus the plastic cup. No external container is needed. The BioPot is wrapped in a fabric exterior, with compressed coco coir inside. This is one of these easiest ways to use our high quality substrate for your growing needs. RHP Certified
• Buffered
• Very low EC. Less than 0.6
• Free of pathogens
• Stabilized for proper PH 6.0-6.5
• High Cation Exchange Capacity (CEC) for optimum nutrient uptake
• 4 Inch size