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Koi are prodigious waste producers, and koi enthusiasts
like to keep large numbers of fish in small spaces.
A koi pond must be designed to facilitate the rapid
removal of fish waste from the bottom of the pond,
so it should be relatively steep side walls and a smooth
bottom that slopes gradually to a bottom drain. A depth
of 30" to 36" is adequate. California Waterscapes
specializes in water gardens that are principally for
aquatic plants and a few fish. We do not build koi
ponds.
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