Miracle gro patch magic shaker 1015kg is the only patching mix that takes care of the seed for you so you can grow thick beautiful grass anywhere simply apply add water and let it start to workcoir is a unique super absorbent growing material which acts like top soil only better miracle gro patch magic coir absorbs 8 times its weight in water like a sponge and expands 4 times its volume to surround the seeds in a moist protective layer it continues to care for the seeds providing