hey i want to add some more snails basically for alage and to keep the sand bed clean of waste. i havent heard of these snails that i found on ebay. so let me know if these are actually reef safe and are they worth while ???
http://cgi.ebay.com/50-Reef-Aquariu...713878316QQcategoryZ66788QQrdZ1QQcmdZViewItem
http://cgi.ebay.com/50-Reef-Aquariu...713878316QQcategoryZ66788QQrdZ1QQcmdZViewItem