This is a fired ceramic disk that does not need to be soaked before using. They are perfect for zoanthid growout and the pin keeps the disk in place on eggcrate or your sand bed. Measurements: 1/1/4" Round with 1/2" stem length
This is a fired ceramic clam holder that does not need to be soaked before using.
Holder size is 2" x 2.75". Makes a great base for a clam on a sand bed!