Hello I hope you enjoyed the UniQuaria website. It was created to supplement our Mailing List. I urge you to join and ask your question to our entire group. We number over 1200 members worldwide. I am sure one of our knowledgeable members will have your answer and quickly respond. To join our group, please go to http://groups.yahoo.com/group/UniQuaria. You will be most welcomed to our ever-growing extended family. Tom Bates - Senior List Moderator UniQuaria