Tony- Yes I think the ozone does make a difference, mainly with algae control. Is it worth the money... Really depends on setup.
MorayMike- The sharks have been in there about 4 years now.
Daniel and Novice- I'll post the construction in a little bit when I have a little more time. I might try and draw the different layers of support as well.
Matt- Yes, it is very helpful when its not my money and I get paid... What more could you ask for?
You are right... It is 10,000 gallons. Can't wait to see your web site... That should be really cool.
As far as with them breeding, the male continues to show some aggression towards the female and his claspers are still real enlarged. Hopefully the female will become sexually mature in the next year. Of course you are in line for a pup!