For shell growth and health these calcium cuttlefish bone are cleaned and specially treated to be animal, snail and fish safe - for land snails simply put it on the base of the tank or for aquatic snails simply pop one in the tank and it will float around and eventually sink - or if you wish you can weigh it down and hide it with a rock. The cuttlefish will provide a calcium boost for your snails without affecting water conditions or fish. One small cuttlefish is suitable for any size tank and will provide calcium for your snails for many weeks - even months.
ONE BONE SUPPLIED APPROX 3-5"