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#509101 - 07/18/19 07:47 PM Little help/insight
dbals Offline

Registered: 04/09/19
Posts: 4
Loc: cape girardeau mo
Recently treated my roughly acre pond with alum and hydrated lime. Donít have the exact numbers in front of me at the moment but I did the jar test and after several test and calculating what I needed based on this forum and reading some white papers I added about 1800lbs of alum and 650lbs of hydrated lime.

Mixed the alum into a slurry and spread via a 80ft pvc boom and some make shift floating pilots while also running a boat around in circles worh prop wash. Only thing I wish I would have done different is when applying the lime I just scooped it out dry and threw it in the prop wash while motoring around the pond

Pond turned blueish and very clear within a few hours ...way way better than Iíd ever seen it. Ran my first oh test about 12 hours latter and it was crashing around 5.5. Added 100 lbs more of lime. Tested 12 hours later and it was creeping up to 6.5. Within 48 hours itís holding around 6.5.-7. We have had rain rain the past 3-4 days. Itís now about 5 days after application. After the first 24 hrs and my last application of lime the pond is now greenish in color. Not hugely concerned with color as much as I am the fact that clarity is now less than half of what it was after first 12-20 hours.

I had some fish die off due to crash. Iíd estimate 30-40 small 1-2 inch baby fish then a dozen or sold full size fish. From what Iíve read that didnít alarm me really

Any thoughts or Input on why went back cloudy? It seems to be getting slowly better. Doe it just take more time or ? Should I be worried or no?

#509102 - 07/18/19 08:13 PM Re: Little help/insight [Re: dbals]
Shorty Offline

Registered: 07/28/05
Posts: 4399
Loc: Raymond, NE
Sounds like you have enough nutrients left in the pond to feed an algea bloom (green water) which will reduce clarity. What kind of clarity do you currently have?

#509114 - 07/19/19 05:53 AM Re: Little help/insight [Re: dbals]
Dave Davidson1 Online   content

Registered: 01/04/06
Posts: 14124
Loc: Hurst & Bowie, Texas
dbals, according to Lusk. only about 5 to 10% of dying fish float. The rest just sink.
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

#509123 - 07/19/19 09:22 AM Re: Little help/insight [Re: Shorty]
dbals Offline

Registered: 04/09/19
Posts: 4
Loc: cape girardeau mo
before pics:
[img]https://www.dropbox.com/s/zji051jhn0t9ca9/IMG_5231.jpg?dl=0[/img] [img]https://www.dropbox.com/s/mnbj7fy2cps859d/IMG_5384.jpg?dl=0[/img]

[img]https://www.dropbox.com/s/detpib4m7xkh5yp/IMG_9146.jpg?dl=0[/img] [img]https://www.dropbox.com/s/j4swaaag37ocl6k/IMG_9147.jpg?dl=0[/img] [img]https://www.dropbox.com/s/q773z84hx285rsw/IMG_9149.jpg?dl=0[/img]

visibility isn't great right now. guess its possible if its an algae issue that it could of been there the entire time but the water had so much suspended crap in it i couldnt tell?

#509125 - 07/19/19 09:39 AM Re: Little help/insight [Re: dbals]
Quarter Acre Offline

Registered: 06/10/16
Posts: 1626
Loc: West Central Missouri
I'm barely an amateur when it come to even thinking about turbidity/clarity/blooms, but my guess is that you dropped out alot of "stuff" which improved the clarity and an existing algae has taken advantage of the new light penetrating the water column and has given you that nice green color. Shorty hit on this in his post.

At any rate, it looks much better green than brown so long as it does not turn in to thick pea soup. Keep an eye on it and post some clarity data as you go. Do you use a secchi disk?...very handy and easy to make.

I had the peas soup happen the first year and the second, but not this year. Mine were not associated with a alum treatment, however. Here's my thread on the first time it happened...

Fish on!,


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