GROW!T® Coco Coir Mix Brick - 3pkIn Store Location: Give your plants a sturdy growing structure with GROW! Ts Coco Coir Bricks. Coco Coir Bricks support your plants all year long. The bricks, available in a mix or chip format, do double duty: They retain water, making sure plants never go thirsty, but due to their texture, they also offer excellent drainage properties. Plants are no longer at risk of drowning in too packed or over watered soil. Instead, GROW! Ts ideal consistency