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Joined: Aug 2003
Posts: 2
Junior Member
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OP
Junior Member
Joined: Aug 2003
Posts: 2 |
Hi. I've been lurking this site for ages, but haven't had an unanswered question until this one--thanks all!! We have a 3/4-ac clay pond, 12' deepest probably 6' avg. I have an airstone in the middle and a fairly large waterfall on a corner with a 12kgph pump. I've read some about wintertime bottom aeration posing a risk of driving the temperature throughout the water column down to a dangerous level. Am I on solid ground thinking that the best winter strategy in this situation is to turn off the airstone and let the waterfall keep the ice open in the corner (thus, in a good winter, leaving most of the pond safe for people and dogs)?
Glad to finally join, and thanks in advance for your thoughts.
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Joined: Apr 2002
Posts: 15,151 Likes: 491
Moderator Ambassador Field Correspondent Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Apr 2002
Posts: 15,151 Likes: 491 |
I have never tested the affects of the thermal plume from a waterfalls. Variables will be depth of the water intake and the extent of the "reach" from underwater currents moving away from the falls.
aka Pond Doctor & Dr. Perca Read Pond Boss Magazine - America's Journal of Pond Management
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Joined: Oct 2002
Posts: 171
Member
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Member
Joined: Oct 2002
Posts: 171 |
My first thought was ice damage to the rocks in the falls. If water gets in between and freezes, you may have some water loss or rock movement. Robert B
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