Coco Coir Chip Bricks - Orchid Growing Medium, Case of 24Coco Coir Chip Bricks Premium Orchid Growing Medium Create the perfect growing environment for orchids and other epiphytic plants with these premium coco coir chip bricks. Made entirely from natural coconut husk, these compressed bricks expand to provide superior aeration, water retention, and drainage compared to traditional bark chips. Key Features High Lignin Content Contains 5x more lignin than bark, making it highly resistant to breaking down