Product Description Use GROW!T organic coco coir planting chips to promote growth for tropical flowers and plants. It works both indoors and outdoors and is ideal for mulching and a decorative ground cover that retains water and resists fungus. Although each block of chips is equivalent to more than 2 cubic feet of mulch, it is lightweight and easy to carry and store. Add the GROW!T mix into your growing system and notice the coco difference.