A company on Ebay :
http://www.ebay.com/itm/Fluval-FX6-High ... SwlXhZX9dlOr sometimes can even find a little better with free shipping from other venders. I only buy from Top Rated 98%-100% ratings and never had any problems.
I got my FX6 for last Christmas there , it's great !
You are like me I go with adult size all at once. I use 150 gallon stock tanks for years and that saves me a lot of money. Even a baby goes in a 150 gallon !
Eating habits that's weird, ever think about feed in another container to keep main tank cleaner ? My Piggley eats All with very little mess , he's like having a vacuum going all the time. Hence the name "Piggley" . What about other foods / types same thing ?