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

Sold in a case of 128.