This isn't mine, but it's a salt water pond at one of the LFS around me. It's about 6'x20' and about 2' deep. I'll take more pics next time I go there. This is the only one I could find at the moment.
how big of a problem is humidity with a home made pond in your basement? say 400 -500 gallons i would like to give this a try as a cheep way to hold my monster fish until i build my atrium..could some one give me some tips or sujestions