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Post by steiny on Jul 26, 2009 19:30:57 GMT -5
How do you kill duck weed floating on the surface of pond?
Sprayed w/ Cutrine which works great for algae, but it didn't do anything for the duck weed.
Suggestions?
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Post by danf on Jul 27, 2009 8:03:47 GMT -5
Diquat.
It's expensive, but that's what you need. Runs about $65 per gallon at TSC. TSC's diquat is "Weedtrine- D".
Other option is an aquatic version of Round-up. Called Aqua Pro. I'm not sure where you can buy it off the shelf, but our chemical supplier (wholesale) quoted me a price of around $150 for a 2 1/2 gallon jug last week. Same mixing rate as normal Round-up (~2 ounces per gallon) so it should last quite a while. It's glyphosate but without the added surfactants like you have in Round-up.
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Post by firstwd on Jul 27, 2009 17:22:00 GMT -5
You want to kill it, and I want to spread it around....... The stuff sucks in a pond you want to fish, but is fantastic surrounding the waterfowl blinds.
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Post by duff on Jul 27, 2009 21:16:56 GMT -5
Good luck getting rid of it. It is very persistant, especially if it is in close by areas where it either floats in during high water or comes in on the animals. The other good thing about duckweed is it does a fine job of soaking up the extra nutrients from your pond.
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Post by steiny on Aug 1, 2009 12:41:15 GMT -5
Following guidance from "The Pond Guy" I have ordered a product called White Cap.
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