2400 gal outdoor pond construction

McDragon

Feeder Fish
MFK Member
Jul 29, 2017
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I am designing a 2400 gallon pond for south American fish. It will be outdoors but with a greenhouse structure around it. I live in Idaho (zone 4) so heating efficiently is my biggest concern. I figure with the greenhouse walls and a pond three feet into the soil the insulation will be pretty good. Still, temperatures can hit 0 Fahrenheit easy in wintertime so I feel like I will need to heat the air in the enclosure as well as the pond itself. Does anyone have any good ideas or experience with such a pond?
 
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