alot of folks have been asking about cost so here is a breakdown....

Retail: Approximate
$450.00 pond liner @ $.90/sq' (20'x25')
$250.00 submersible pump for filter(2000gph)
$200.00+ rubermaid water trough (for filter) not sure on cost?
$250.00 mag 36 pump for waterfall
$125.00 pond liner for waterfall
$175.00 plumbing supplies (wholesale employee discount)
$100.00 2x mature water lillies
$150.00 8x various bog plants
$150.00+ blue granite rocks
$200.00 UV sterilizer
$90.00 2x rolls savio bio media
$5.00 egg crate

$2145.00
$2456.02 with taxes

if your buying retail, I would expect someone to pay somewhere around this price for what I built, + alot of digging....