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#453136 07/31/16 06:33 AM
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I have been fly fishing for BG and RES this past week in the pond. I caught two BG (out of 50) that had sores on the side of their bodies. These sores were rosy red in color and looked like a layer or two of their skin was missing. Or it looked like their skin was thinner at the spot to where you could almost see tissue below the skin. And was about the size of a dime. I am thinking it might be bacterial and could be caused by the warm water temperatures or maybe some type of stress. I have looked here (forum) an can not find any thread that has been posted in the past but I am pretty sure I remember a post where someone else had experienced this. I have seen where stress can cause problems, but these fish are fed well, and pond has aeration and water looks to be in pretty good condition with 21" visibility in a fertilized pond. The water get pretty hot in the daytime but when swimming the other day there was still some cooler water near the bottom of the pond.
Any ideas??

Thanks

Tracy


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Tracy
TGW1 #453137 07/31/16 06:34 AM
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Are you seeing any spawning activity?


"Forget pounds and ounces, I'm figuring displacement!"

If we accept that: MBG(+)FGSF(=)HBG(F1)
And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1)
Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT?
PB answer: It depends.
TGW1 #453138 07/31/16 06:36 AM
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If you're catching them in those numbers I'd assume they aren't terribly stressed. I'd think stressed fish wouldn't be readily caught.


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TGW1 #453178 08/01/16 05:50 AM
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sparkplg, I have never seen a BG bed do to steep banks and fertilized water but there are some designed spawning areas but not along the shoreline. There always seems to be new (1 to 3") CNBG at the feeder so I know spawning is going on. I am not sure these rosy red spots come from spawning but it's possible I guess since the fish with these spots are in the 5" range. And NEDOC, I agree I don't think they are stressed but these spots have shown up since the water has turned so hot and the air is now going. Does not make much since but when researching stress came into play a lot with somethings that happen to the fishes. I am thinking bacterial but Sparkie brought up something I had not thought of.

Thanks

Tracy


Do not judge me by the politicians in my City, State or Federal Government.


Tracy
TGW1 #453181 08/01/16 06:54 AM
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I'm gonna guess it's from spawning battle wounds.


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TGW1 #453235 08/01/16 09:36 PM
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It may not hurt to throw some salt in the pond, in light quantities.


Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."

TGW1 #453306 08/02/16 04:24 PM
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Problems with cnbg is getting worse. In the last 3 days I have found 5 to 6 cnbg dead and floating every day and one small TFS. Sizes are 3 to 7" cnbg. One of the dead fish had a very dark area around the stomach area on the bottom of the fish. Today, I found a 3'er dying near the bubbles, so I raised one diffusers up off of bottom. (setting it on cinder blocks) hoping this might eliminate or reduce bad gasses along with reducing the colloidal clays (lightly cloudy water) I am seeing in a 10 to 15 foot circle around the diffusers, coming from from the bottom of the pond. I am doing one diffuser at a time so not to do to much to fast. The diffusers have been running for a couple of weeks now. Not sure what is going on. 5 diffusers are running 24/7 with surface water temps running 87 to 93 depending on what time of the day it's checked.
Sunil, thanks for the suggestion on the salt. Where should the chlorides be in a lmb,hsb,bg,res,TFS and Tp pond? I can check chlorides, I know how to do that. I have been running well water and the pond will raise about 1/4" per day in this 3.5 acre pond with water depths running 7 to 9 foot depending on where u check it. But I have been running water (as needed) on and off for the last two years with no issues. Ph is 7.2 constant, alk 110, hardness 40ppm Any ideas?

Thanks

Tracy

Last edited by TGW1; 08/02/16 04:35 PM. Reason: sp

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Tracy
TGW1 #453312 08/02/16 05:06 PM
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Tracy do you think it's an oxygen issue from the well water- I guess the diffusers tak care of that

TGW1 #453313 08/02/16 05:10 PM
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hay there Pat, I ran water last summer with no issues. The water well is 7/10 of a mile away and water is pumped through a heavy 2" plastic pipe laying on the ground and so I am sure it is oxygenated by the time it reaches the pond. I also have it splatter before it hits the pond. But I am guessing there could still be an oxygen issue with all this heat and a fertilized pond. Vis was down to 17" today, it has been at 21"

Tracy

Last edited by TGW1; 08/02/16 05:13 PM.

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Tracy
TGW1 #453319 08/02/16 06:33 PM
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I got issues too.... Blue green algae...... Ugh
Another day in paradise

TGW1 #453332 08/02/16 09:48 PM
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Tracy, you got any info on ambient and water temps?

Also, was you question about chlorides directed at me? If so, that's over my pay grade. I had thought of the salt as sometimes that helps with a fish's slime coat.

If you can check Dissolved Oxygen, that would help too.


Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."

TGW1 #453341 08/03/16 04:59 AM
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Tracy, Stock Salt can be added pretty liberally into a pond. Sodium/Chloride salinity in fish blood is just under .9%, and that is also the optimal water concentration for the least kidney stress on fish, but plants may not like that concentration.

A .5-.8% concentration is really good, for the fish. It takes 6.4 pounds of stock/table salt (NON-Iodized!) in 100 gallons of water to reach a .8% concentration....that is a LOT of salt in most ponds!



TGW1 #453344 08/03/16 05:37 AM
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Sunil, thanks for the suggestion but I was directing the chloride content to some of the experts, ha, I thought u were one, smile you have had a pond longer than me smile Rainman, I understand but then again I don't understand DUH!! I would have to consider that water saturation of salt is 10.2ppg or around 323,000 ppm so .9% salt might be around 3,000 ppm ?? Whoa, my chlorides are running @ 200ppm. So salt might help but the more I think about the cnbg losses I am thinking low DO and the other rosy red spots are something else, not sure what!! I think of my aeration like one might have in an aquarium but I am not having positive thoughts on aeration at this point because of more problems than I had last year without aeration. Sounds dumb But!

Tracy


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Tracy
TGW1 #453415 08/04/16 07:13 AM
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I found another 5 or so floating cnbg and a 13" Lonestar legacy lmb. This is starting to suck ! I will see a few floaters around the diffuser areas, some look like they are struggling at the time I see them. I have also caught a glimpse of some really small TFS around the bubblies, looks like they are enjoying it. So I am not to sure what is really going on here. The cnbg are still feeding good at the feeders. This has me kinda stumped but I went ahead a cut off the well water yesterday, maybe it is not helping with possible low DO. and I moved another two diffusers up on top of cinder blocks at the bottom. I have two more to to do in the next couple of days. Hoping this might help to reduce the cloudy water around the diffuser bubblies. Thoughts?

Tracy

Last edited by TGW1; 08/04/16 07:16 AM. Reason: correction

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Tracy
TGW1 #453417 08/04/16 07:31 AM
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Sorry to hear about the problem Tracy. I'm not sure what you mean by "cloudy water." FWIW cloudy water in an aquarium is often indicative of a bacteria bloom.


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TGW1 #453438 08/04/16 10:41 AM
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The well water is usually going to be void of any dissolved oxygen, and the process you described, Tracy, of how you get the well water into the pond, didn't sound like that method would introduce oxygen into the well water, prior to entering the pond.


Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."

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Tracy, can you get a couple boats in there with the engines tilted to sling a LOT of water around? Are you seeing any signs of fish piping, especially early morning? If so, get all the motors you can running asap!



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Sorry to here it TGW1 it's no fun. The only thing I can offer is that the well water may or not have a good oxygen level. You can test it to know for sure. I have a artesian well at 15 gallons per minute which I piped to the bottom of the pond to keep it cool. I later learned (as usual) that that was the wrong way to do it. I now have the water run through a length of solid plastic drain tile with the top cut open to let air in every so many feet. The water moving creates a draw of air through the pipe which allows for the oxygen level to rise. Then the water enters the pond level with the surface causing the pond surface to keep moving. As the cooler water sinks it displaces the bottom water to the top. All these things together make a big difference it the pond . Good luck.

TGW1 #453469 08/04/16 08:52 PM
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Tracy,

Do the dead fish have the red spots?


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TGW1 #453471 08/05/16 06:01 AM
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Bill, these dead fish do not have the red spots. And I am now thinking you guys are right about the well water being low in O2. I thought running the water above ground for great distance and then running it through a 30' corrugated pipe would oxygenate the water but after shutting down the well water I saw fewer dead fish yesterday. Last year I ran the well water during July and Aug and had no problem losing any fish, but this year, it may be the cause of dying fish, maybe the diffusers are mixing the two waters faster than in the past and that may be what is happening. I will continue to monitor and make adjustments where I can. Rainman, I just pulled my bass boat out of the pond, I had it there because I was working on the trailer, Looks like it needs to go back in the pond. Thanks for letting me bounce things around guys. A Woodster, u now have me thinking of aspirating the tubing near the pond. That might help to get air into the water. Is aspirating a word smile

Tracy

Last edited by TGW1; 08/05/16 06:06 AM. Reason: add to

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Tracy
TGW1 #453472 08/05/16 06:28 AM
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Tracy,

My well water is nearly void of dissolved O2. However, if it is sprayed through the air for as little as 24 inches before entering your pond, it will readily oxygenate to saturation. Make sure it is sprayed, like through a fire nozzle in a fan, so there is a lot of surface area for the water to contact the air before it lands in the pond.

A surface aerator is the best way to add O2 to a pond if O2 is needed.

If you would like to check your O2, PM me and we can talk.


Brian

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TGW1 #453476 08/05/16 06:39 AM
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Thanks Brian, I did not think of spraying the water when adding to the pond. I have a really nice irrigation sprinkler. it will be hooked up today. Thanks for the reminder, I knew of such things, IT's Hell getting old and senile and having CRS frown

Tracy


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Tracy
TGW1 #453480 08/05/16 06:52 AM
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Tracy,
Let us know if it helps. I have found it helps almost right away when I have used a sprayer on the little ponds.


Brian

The one thing is the one thing
A dry fly catches no fish
Try not to be THAT 10%
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Check out this video. A lot like what woodster is saying. You could easily do this, and quickly. You can actually hear the air being sucked into the lines. This guy really seems to know his stuff. You could do a number of these down your line to add o2. If you look up venturi for aeration or aquaculture you'll find alot of info about it.

Hope it helps!!


DIY venturi for aeration


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I use airlift to move water in our RAS, it is easy to do and takes less energy.

On a large scale water pumping system where you need to introduce O2, I would still suggest having the water enter the pond through a sprinklered end of the piping. A sprinkler introduces the water to the air after pumping which allows you to move more water and then allows more O2 to be introduced after leaving the nozzle. Its a win win.

PS. I like Rob's work. Been watching his videos for a while.


Brian

The one thing is the one thing
A dry fly catches no fish
Try not to be THAT 10%
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