Shop near me just got in another shipment of amazing quality live rock straight out of the ocean and this one piece in particular has a good size chunk of encrusting sponge on it. My Fromia loves encrusting sponges so I was just curious how difficult it would be to propagate them from this piece...does anyone have any experience with this? Also if you wanna see the other pieces just out of curiosity I included the link. I consider myself really lucky to have access to rock like this! Live rock for sale