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Joined: Apr 2002
Posts: 72
Lunker
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Lunker
Joined: Apr 2002
Posts: 72 |
I need some help with a problem. My dad has a pond about 1 acre in size. I suggested fertilizing because the water was extremely clear. In this drought we are experiencing, his water has developed too much bloom. I don`t know enough about how dangerous this situation is,so I am asking you folks. Electricity is not available so I thought aeration might be temporarily done with my boat`s outboard?
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Joined: Apr 2002
Posts: 1,892
Lunker
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Lunker
Joined: Apr 2002
Posts: 1,892 |
Martin, I did the same thing last year. The water turned the color of pea soup. However, it only lasted a couple of days and apparently was not a problem. I have seen other posts indicating the same type of experience. I think it could turn into a problem if you have a dissolved oxygen crash caused by, as I understand it, hot weather and overcast conditions.
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Joined: Apr 2002
Posts: 470
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Joined: Apr 2002
Posts: 470 |
I agree with Dave unless it dies off real fast and takes away the oxygen, With a 1 acre pond I would discourage using an outboard motor to stir it up, but a trolling motor with the blade tip just out of the water but the hub still in the water where it splashes the water works amazingly well. Bob
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Joined: Apr 2002
Posts: 72
Lunker
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Lunker
Joined: Apr 2002
Posts: 72 |
Thanks guys! Dad is putting a trolling motor on his pier as I type! It sure is nice to have a place to go with stuff like this. Any other suggestions about this problem will be helpful.
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Joined: Apr 2002
Posts: 1,488 Likes: 2
Lunker
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Joined: Apr 2002
Posts: 1,488 Likes: 2 |
Depending upon the degree of bloom (plankton or blue-green), you might consider reducing (but NOT severely crashing) the bloom with very low-dose sequential treatments of a chelated copper to limited areas of the pond. I've observed this tactic's successful in larger lakes (30-100 acres). BUT, I can't assure you that the use (or avoidance) of this tactic will avoid a DO problem. It is simply a concept for implementing a "controlled" algae reduction rather than allowing a potential weather-event to crash the population (and DO) in one fell swoop.
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Joined: Apr 2002
Posts: 1,892
Lunker
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Lunker
Joined: Apr 2002
Posts: 1,892 |
Martin, I don't know how much good a trolling motor prop attached to a pier will do over an acre. You might consider renting or buying a 2 inch gasoline powered pump and spraying the water into the air. Actually, a one inch pump might be better. You could hook it to a large sprinkler on the pier and not have to hold the output hose. Of course, by the time you do all of that, the problem will probably be over.
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Joined: Apr 2002
Posts: 72
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Joined: Apr 2002
Posts: 72 |
I went to dad`s pond last evening and I believe things are much better. The trolling motor was moving quite a bit of water and the visibility was back to 18 inches or so. Lots of algae on the surface but I believe that will go away. Also lots of daphnia(a good thing!) Thanks a lot for everyones help!
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Joined: Apr 2002
Posts: 470
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Glad things are looking better over that direction. Bob
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