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14 hours ago
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Joined: Jan 2006
Posts: 39
Lunker
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Lunker
Joined: Jan 2006
Posts: 39 |
Hey guys, I have a 3 acre pond that is shaped like your pointer finger bent. I have a 3 defuser head aeration system and feed the bluegill. I added Tilapia last week, 40 pounds. I tried fertilizing this spring but did not take, I assume because I didn't get the alkalinity up high enough, about 30+. I have added 6 yards of lime since. I have Bass, Bluegills, no catfish, also added some Koi.
Problem is FA around the edges & thick at each end. I am thinking copper sulfate &/or the good bacteria, but have no idea how much to add to a sprayer bottle or how to really use them. I know to do just a little of the pond and wait 2 weeks before doing more. Help! I have even though about grass carp,but I don't think they eat FA. There is also some Duckweed forming.
Last edited by buzbait; 05/25/10 02:29 PM.
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Joined: Jun 2007
Posts: 7,103 Likes: 24
Ambassador Field Correspondent Hall of Fame  Lunker
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Ambassador Field Correspondent Hall of Fame Lunker
Joined: Jun 2007
Posts: 7,103 Likes: 24 |
If the Tilapia were mixed sex, with the warm weather this week, the tilapia will spawn like crazy. The fry will hatch in 10 days and devour the algae....You may want to wait a couple weeks and if the FA is still really bad, thy some chilated copper on it, but don't treat all of it or you may cause an oxygen crash. Treat roughly 33.3% every couple weeks.
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Joined: Jan 2006
Posts: 39
Lunker
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Lunker
Joined: Jan 2006
Posts: 39 |
not Duckweed, I meant American Pondweed
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Joined: Jul 2009
Posts: 3,505 Likes: 3
Ambassador Field Correspondent Hall of Fame Lunker
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Ambassador Field Correspondent Hall of Fame Lunker
Joined: Jul 2009
Posts: 3,505 Likes: 3 |
I think American Pondweed is actually a reasonably desirable plant, buzz. Like anything, if it gets out of hand, it can detract from the pond's use, but it doesn't seem to have the bad rap that many other plants have. I have some in one of my ponds and it's actually kind of nice looking in my opinion.
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Joined: Jan 2006
Posts: 16,555 Likes: 411
Moderator Lunker
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Moderator Lunker
Joined: Jan 2006
Posts: 16,555 Likes: 411 |
Spray the FA with Cutrine Plus before it gets out of hand. I like to add a little bit of Diquat (thanks Ted Lea). You may have to hit it again if/when it returns.
Grass Carp will take care of the Pondweed; generally in the second year.
It's not about the fish. It's about the pond. Take care of the pond and the fish will be fine. PB subscriber since before it was in color.
Without a sense of urgency, Nothing ever gets done.
Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley Rancher and Farmer Muleshoe Texas 1892-1985 RIP Grandpa
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Joined: Jan 2006
Posts: 39
Lunker
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Lunker
Joined: Jan 2006
Posts: 39 |
Ok Guys, used 1/2 pound of copper sulfate to one gallon water then sprayed a section of the 3 acre pond Saturday. What should I expect next? Looks like the area sprayed is turning a lighter green with a slight brown tent. I was thinking of adding some of that bacteria to munch on the dying FA. What do you guys think?
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