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Need Advice - Daily Algae Cycle Large Pond
#526709 10/12/20 07:27 PM
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Hi everyone,

I need some advise from the experts here. I am new to the forum and pond management.

I have a very large pond / fresh water reserve on my property. It is man made. Too large to estimate gallons. It is designed like a large meandering river that is a large closed loop that is over 2 miles long. It’s about 20-30” wide in sections and anywhere from 8-10 deep in sections. The banks are lined with natural limestone rubble. The river pond is somewhat of a closed loop but is occasionally feed by rain water and linked to other large canal systems through underground pipes.

I have noticed a strange phenomenon: during the the early morning the water is crystal clear. You can see to the bottom in sections of 6 feet of water. Around noon the water becomes cloudy with a green algae bloom. By the afternoon this turns a dark brown tea color and repeats everyday.

An aeration system was installed to help with the cloudy cycle. It ran for 1 month for 24/7. The turbulence disturbed and agitated the water and created even more cloudiness. There was considerable vegetation that floated up to the Surface. The vegetation has been consistently mechanically removed. Aeration has been discontinued.

The system is heavily stoked with various fish. Some are quite large and of many varieties. Even a number of turtles. The fish are never fed. It is self sustaining and natural.

How can I reduced the cycle of cloudiness and have crystal clear water all day?

Please help.

Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526726 10/13/20 10:07 AM
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This is above my pay grade.

Bump for you.


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
Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526730 10/13/20 12:46 PM
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First you need to determine just what the cloudiness is caused by. It sounds like a natural plankton bloom. Certain planktons move to the surface in daylight , go from green to brown (in their natural cycle) and then descend when light fades.
Keep in mind that the plankton is the base of your food chain and removing/reducing it can cause a food chain trophic cascade. Can you post pics?
















Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526739 10/13/20 11:22 PM
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I can post pics on the morning clarity and the evening cloudiness. I think it is a plankton bloom but I didn’t know it can cycle that quickly from clear to cloudy on a daily pattern.

Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526821 10/16/20 09:05 AM
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All pics taken on same day. From same spot.

Clear Water in Morning
[Linked Image from forums.pondboss.com]

[Linked Image from forums.pondboss.com]

Cloudy Water in Late Afternoon
[Linked Image from forums.pondboss.com]

Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526851 10/17/20 09:43 PM
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What kind of fish are those?
Peacock bass??

Re: Need Advice - Daily Algae Cycle Large Pond
Downrigger56304 #526856 10/18/20 10:21 AM
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Peacock bass and one looks like a Texas cichlid .....

Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526859 10/18/20 12:37 PM
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Thanks for the Identification on the fish... I am not good with the id'ing the various species.

This may better help see the cycle... check in the morning eastern time and the water will be clear.. in the afternoon. water is cloudy.

started aeration again.

Live Stream of the Pond

Last edited by yucky; 10/18/20 12:39 PM.
Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526869 10/18/20 09:13 PM
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1. Is the daily cycle of cloudiness and water color consistent throughout the entire 2 mile loop of water at each time of day?
2. How many deep sections are there that are 6ft deep or greater in the 2 mile loop?.
3. Approximate width of the sections that are 6ft or more deep. Or it is best to provide an aerial view of the 2 mile loop.
4. Vegetation specie or genus that floated should be identified.
5. How much of each type or species of vegetation should be mapped for the 2 mile loop to determine what species are present. Is it a mono-species or a diversity of vegetation in the loop?
6. How old is the pond?
7. Is the cloudiness a new occurrence or has it been common in prior years? Is cloudiness seasonal?
8. What has changed to cause vegetation to increase or decrease?.
9. What type of aeration was installed and at what locations and depth in the 2 mile loop?
10. Does the water flow or is it pushed / circulated through the loop?
11. Ideally I would like to see a secchi disk measurement and time of day measured of when it is 'clear', green, and brown 'cloudy'. See link for Secchi disk:
https://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=92624#Post92624

12. To best determine the factors creating the cloudiness one should quantitatively analyse the phytoplankton and amount of suspended detritus in the water collected as morning clear, noon green, and afternoon brown water when each secchi disk measurement was taken. If the water circulates in the loop the water clarity can be measured and water collected in just one deep section. If the color varies throughout the loop then more phytoplankton samples would be needed. This information will help a lot to know the cause of cloudiness. Fixing the cloudiness problem could be another more difficult problem to solve.

Last edited by Bill Cody; 10/18/20 09:18 PM.

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Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526875 10/19/20 06:10 AM
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yucky, Have u added any microorganism treatments to the pond?


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


Tracy
Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526876 10/19/20 06:14 AM
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Pay attention to everything/anything Bill Cody says on this subject.


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
Re: Need Advice - Daily Algae Cycle Large Pond
Dave Davidson1 #526891 10/19/20 11:41 AM
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Originally Posted by Dave Davidson1
Pay attention to everything/anything Bill Cody says on this subject.

Correct. He's got a PhD in algae.


www.hoosierpondpros.com


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).
Re: Need Advice - Daily Algae Cycle Large Pond
yucky #526906 10/19/20 04:07 PM
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See this thread for example of Bill's work and info about plankton.

https://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=321151&page=1
















Re: Need Advice - Daily Algae Cycle Large Pond
yucky #527003 10/23/20 12:19 AM
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Thanks,


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