Fibrgro Buffered Open Top Bag 3 Gallon 40/60 (25/Cs)Fibrgro Coco Bag 50% WHC is a professional grade grow bag made with 40% coir chips and 60% fine coco pith. Triple washed, buffered, and ready with pre cut holes, it offers balanced drainage and moisture for optimal fertigation performance. Advanced Coco Coir Blend for High Frequency Irrigation Built for precision cultivation, the Fibrgro Coco Bag 50% WHC combines 40% coir chips with 60% fine pith for excellent drainage and water holding capacity. The