Coast of Maine Organic Products Quoddy Blend Lobster Compost is made with chitin and calcium-rich lobster shells, compost and sphagnum peat moss. It is a dark-brown, complex soil filled with naturally occurring microorganisms all plants need for healthy growth.  It drains well and is an ideal soil conditioner for existing beds that need reinvigorating.It is OMRI listed for use in organic gardens.