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Thread Like Summary
BodarkFarm, ewest, FishinRod
Total Likes: 5
Original Post (Thread Starter)
by BodarkFarm
Does anybody have factual knowledge about how long it takes a pond to become stratified after you turn off aeration? I have a brand new 14' deep, 1/4 acre pond that I am considering using a windmill to aerate. That means intermittent aeration with random intervals of no aeration that could last for days. My primary purpose for aeration is to de-stratify the pond. It must take a while for the pond to re-stratify and for de-oxygenation of the bottom water to occur. I just wonder how long that might take in a 1/4 acre pond?
Liked Replies
by Bill Cody
Bill Cody
What is the water clarity? How deep can you see a 6"-10" diameter white disk in the water?
You should be most concerned with oxygen loss rather than stratification. Stratified clear water ponds can have dissolved oxygen(DO) in the deep water if light can reach these areas for phytoplankton, periphyton and or submerged vegetation to create DO. Rate of DO loss will be dependent on the biochemical oxygen demand of the water and water clarity.
2 members like this
by Dave Davidson1
Dave Davidson1
No idea but welcome.
1 member likes this
by Theo Gallus
Theo Gallus
A lot would vary from pond to pond. Is yours surrounded by trees that block the wind, or open space that will let it through to stir the pond without aeration? Location and hence climate would also matter. (Are you in Oxford Mississippi, Oxford Ohio, or Oxford England?)
1 member likes this
by BodarkFarm
I have come to the conclusion that electric aeration will be the most practical. I have several factors that I have to consider, but I can make electric work. Cost is a BIG factor. The source for my electric will be our horse stable. The pond is about 250' away. My wife doesn't want to listen to a compressor all the time while she's at the barn and I don't blame her. So I have to position it far enough away that it won't be too annoying. So I will place it about 50' from the stable, and run 5/8 full burial air line the rest of the way. to the pond. I ordered an Airmax PS-10 compressor that is supposed to put out ~55 db of noise, which is pretty low. So I only have to run a conduit and wire 50'. Heck, the air line is cheaper than the electric conduit alone, much less including the wiring.

Assembling and installing a windmill seems like a lot of work. Servicing the compressor would be difficult as well, and the initial cost would be higher. All that for an intermittent and unpredictable system. I like the controllable, reliable, and easily serviceable nature of the electric system.
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