I Have a one year old 3000 gallon Koi pond I hand dug while my girlfriend sat and drank beer. The pond is just over 3 feet in depth in the deepest part and inclines to ankle deep near the filtration system. I'm loading up some pics tonight. I currently house 8 koi, 4 goldfish and 1 pleko (algae eater)sp. I have quite a few lillies and some japanese mini palms (small dwarf plants that look like little palm trees) Not sure if thats what their called or not.
The maintenance is down to a small water change every mount (ok, probably a few hundered gallons) I basically flood my girlfriends vegitable garden till the pump is dry and refill. This leaves still a lot of water in the pond. Since the depth here in Florida I do not have to worry about a heater in the winter and the bottom stays cool in the summer. I have not had to worry about birds or animals cause of the rocks and things surrounding the pond.
The maintenance is down to a small water change every mount (ok, probably a few hundered gallons) I basically flood my girlfriends vegitable garden till the pump is dry and refill. This leaves still a lot of water in the pond. Since the depth here in Florida I do not have to worry about a heater in the winter and the bottom stays cool in the summer. I have not had to worry about birds or animals cause of the rocks and things surrounding the pond.