Coco bricks are odourless, free of bacteria and most fungal spores, low in natural salts, and contains no weeds or pesticides. Coconut Brick is a versatile growing medium - can be used for both indoor and outdoor plants and are great for greenhouses, landscaping, garden beds, individual pots, vertical gardens, grow bags, terrariums, or for starting seeds or roots in a pot. Great for potted plants or container gardens - use along with potting soil to create a nutrient-rich environment for your plants and provide a healthy source of aeration and drainage.