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Originally Posted by chachi  How deep do ponds need to be to safely keep Koi during the winter? We just put a pond in and I wonder if we need to make it deeper. |
Ours is 3 feet on one end and 4 ft at the other end. We leave the water fall running year round and they live. We have about 26 Koi and they have had babies and they live thru every winter here in Michigan.
The water freezes over but not near the waterfall .