Duck weed issues in ponds
#6921229
07/05/20 10:52 PM
07/05/20 10:52 PM
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Joined: Oct 2008
Posts: 395 NC
Steeltrap
OP
trapper
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OP
trapper
Joined: Oct 2008
Posts: 395
NC
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Can anyone recommend a good and hopefully inexpensive way to treat a pond smothered in duck weed? I have got a couple ponds that one 2-3 acre and another 40' in diameter. Both are covered and I mean covered in duck weed. I want to clean them up before they turn over. These ponds haven't been taken care of in years. Grass carp can control it, and I will put them in once it is under control, but they won't be able to get this under control, unless I fill the ponds with them, then they will starve. And they aren't cheap either. Looking for something that will take care of the duckweed and nothing else. I have heard putting barley straw bales in. But they seem to be pretty pricey, and I think I would prefer some type of chemical shock treatment.
Anyone know of something that will kill the stuff? Recommendations?
Thanks
Last edited by Steeltrap; 07/05/20 10:53 PM.
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Re: Duck weed issues in ponds
[Re: Steeltrap]
#6921605
07/06/20 12:41 PM
07/06/20 12:41 PM
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Joined: Apr 2011
Posts: 1,145 Minnesota
Born
trapper
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trapper
Joined: Apr 2011
Posts: 1,145
Minnesota
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I read an article by the Lake Detective (Steve Mchomas Blue water science) of straw being used to control algae in ponds.
Might want to look him up.
Help yourself.
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Re: Duck weed issues in ponds
[Re: Steeltrap]
#6921617
07/06/20 12:49 PM
07/06/20 12:49 PM
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Joined: May 2020
Posts: 999 Illinois
dkrug
trapper
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trapper
Joined: May 2020
Posts: 999
Illinois
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Can anyone recommend a good and hopefully inexpensive way to treat a pond smothered in duck weed? I have got a couple ponds that one 2-3 acre and another 40' in diameter. Both are covered and I mean covered in duck weed. I want to clean them up before they turn over. These ponds haven't been taken care of in years. Grass carp can control it, and I will put them in once it is under control, but they won't be able to get this under control, unless I fill the ponds with them, then they will starve. And they aren't cheap either. Looking for something that will take care of the duckweed and nothing else. I have heard putting barley straw bales in. But they seem to be pretty pricey, and I think I would prefer some type of chemical shock treatment.
Anyone know of something that will kill the stuff? Recommendations?
Thanks Take a look at this. https://www.sancoind.com/blog/best-pond-herbicide-for-duckweed
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Re: Duck weed issues in ponds
[Re: Steeltrap]
#6921658
07/06/20 01:20 PM
07/06/20 01:20 PM
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Joined: Nov 2010
Posts: 2,168 Rochester, MN
Teacher
trapper
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trapper
Joined: Nov 2010
Posts: 2,168
Rochester, MN
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Go to koi-pond-guide.com. Gives lots of good information. Or at least things to ponder.
Never too old to learn
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Re: Duck weed issues in ponds
[Re: Steeltrap]
#6921742
07/06/20 03:21 PM
07/06/20 03:21 PM
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Joined: Mar 2020
Posts: 7,217 W NY
Turtledale
trapper
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trapper
Joined: Mar 2020
Posts: 7,217
W NY
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Take a bunch of cutoff copper pipe pieces and tie in a bundle. Submerge near shore on the prevailing wind side. I'd put two or three bundles out. Works for years on our farm spray ponds. Will take a summer to clear off but will be fine for years to come. Cheapest way I know
NYSTA, NTA, FTA, life member Erie county trappers assn.,life member Catt.county trappers
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Re: Duck weed issues in ponds
[Re: Turtledale]
#6921793
07/06/20 04:37 PM
07/06/20 04:37 PM
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Joined: Jan 2018
Posts: 4,528 MN
Donnersurvivor
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trapper
Joined: Jan 2018
Posts: 4,528
MN
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Take a bunch of cutoff copper pipe pieces and tie in a bundle. Submerge near shore on the prevailing wind side. I'd put two or three bundles out. Works for years on our farm spray ponds. Will take a summer to clear off but will be fine for years to come. Cheapest way I know invertebrates are very sensitive to copper, you will likely lose inverts treating with copper. I have only managed fish tanks and not ponds but I think Bryce is correct, you need to treat the cause of duckweed not the symptom, you need to lower nutrient levels, if there is an economical way to harvest the duckweed that would be a great way to reduce nutrient levels.
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Re: Duck weed issues in ponds
[Re: Steeltrap]
#6921807
07/06/20 04:54 PM
07/06/20 04:54 PM
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Joined: Mar 2020
Posts: 7,217 W NY
Turtledale
trapper
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trapper
Joined: Mar 2020
Posts: 7,217
W NY
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Ponds are thriving and full of fish. Duck weed is no more. Commercially copper products are used to control weeds in ponds, this is a very low impact CHEAP solution to the problem
NYSTA, NTA, FTA, life member Erie county trappers assn.,life member Catt.county trappers
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