GROW!T Organic Coco Coir Chips, BlockProduct Details Use organic GROW! T Coco Coir Chips for planting and growing tropical flowers and plants. It works both indoors and outdoors and is ideal for mulching and a decorative ground cover that retains water. 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. GROW! T Coco Coir Chips are