Dedicated koi ponds are very common among koi enthusiasts, meant to show off the fish. It is a very safe pond setup, and very rarely includes waterfalls, aquatic plants etc. Dedicated koi ponds are only liner and/or concrete/brick that is epoxied, typically bowl shaped, no rocks to scrape/cut fish. The filtration is done mechanically by skimmers, bottoms drains, settlement tanks, bead pressure filters. Maintenance will involve weekly backwashing, water changes and checking water parameters.
Stock: Koi
Pond Specs: Minimum 4′ Depth, NO Stone & Gravel, NO Aquatic Plants, Bottom Drain(s), Skimmer(s), Settlement Tank(s), Bio-Falls, External Pump(s), Aeration, Ultra Violet Clarifier(UV).