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#68964 - 04/30/06 01:53 PM New pond-Cloudy water
KELLY B Offline

Registered: 09/19/05
Posts: 27
Loc: southern california
I'm just in the final stages of renovating an old unimproved pond. I drained the old pond and removed all the sludge and then installed a liner. The ponds is aproximatally 1/4+ acre surface, and 15' max deep. The pond has been full of water for about 3 months now, mostly well water to fill it but, there has been some rain water run off. Along with the run off there has been some sidement and dirt that has washed into the pond.There has been a fair amount of dirt that has gone into the water from the placement of rocks around the perimeter of the water line as well as the sand that has been placed on the "beach entry". I just put an ariation sysytem last week. I'm using a compressor with a bottom defuser. I also have a pump the moves about 200 gpm down a rock water coarse into a small pool and then over a 3' fall into the main body of water. Although I was not ready, some of the local boys stoped by and put aprox 6 bass in the pond. Last week I picked up some mosquito fish from the county (free from the dept of enviormental health)and put them in .

THE PROBLEM:The water is a cloudy grayish green with about 1 foot of visibility. I'm located in so.Ca so I'm guesing that the water temp is in the high 60's.

THE BIGGER PROBLEM: I'm as new as the pond.I've read thru several of the posts, but the more I read the more uncertain I am about which application is best for my situation.

Its not my goal to have "pool clear water" but I feel that there is something I can do to improve the clearity and condition of the water.
Kelly B

#68965 - 04/30/06 02:06 PM Re: New pond-Cloudy water
Cecil Baird1 Offline
Hall of Fame


Registered: 08/08/02
Posts: 20043
Loc: Northeastern Indiana
One question first: Does you well water you used to fill the pond have iron in it? The reason I ask is when I first fill my ponds with my well water, they start out kind of brownish/green and as the iron settles it becomes a murky green and then finally crystal clear. Iron in low concentrations appears a kind of army green. Not saying that is it, but it could be.

Why not put some in a clear jar and see if it settles and how long it takes? Then come back with the results and we can take if from there.

What kind of alkalinity and PH do you have? Low PH and alkalinity you could treat with gypsum to clear the water, higher PH and alkalinity to buffer PH changes you could use Alum.

Could your waterfall be stirring up your bottom or prevent settling? Furthermore it has been my experience that all new ponds are somewhat murky until some diatoms, phytoplankton, zooplankton, and macrophytes become established.
If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.

#68966 - 04/30/06 02:18 PM Re: New pond-Cloudy water
KELLY B Offline

Registered: 09/19/05
Posts: 27
Loc: southern california
I'm not certain of the iron content in the water, I will have to dig up a old test and check. I will get the jar test going today and cheat the PH. I dont think the waterfall is stirring up any sidement but..... Will the diatoms, phytoplankton, zooplankton, and macrophytes establish themselves or ?
Kelly B

#68967 - 05/01/06 11:00 AM Re: New pond-Cloudy water
KELLY B Offline

Registered: 09/19/05
Posts: 27
Loc: southern california
Update; the PH tested at 8.2. I took three jars of water, one I added vinegar,one I added gypusm both at the rate of 1/4 tps to 1 qt water,and the other nothing was added. Only the one with the gypsum shows any improvement after 20 hours.

Also I noticed that all of the pipes and rocks that are in the water are covered with about 1/8-1/4 inch of a brownish slippery slime?
Kelly B

#68968 - 05/01/06 02:05 PM Re: New pond-Cloudy water
Chip Rowland Offline

Registered: 07/17/03
Posts: 214
Loc: Lima, OH


#68969 - 05/01/06 07:40 PM Re: New pond-Cloudy water
Dave Davidson1 Offline

Registered: 01/04/06
Posts: 13533
Loc: Hurst & Bowie, Texas
Kelly, I posted something last week under the Thread Muddy Water. I reported the results of question to a US Gypsum rep. Take a look at it.
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

#68970 - 05/02/06 11:30 AM Re: New pond-Cloudy water
Cappy_TX Offline

Registered: 06/20/05
Posts: 62
Loc: Ivanhoe, TX
This may not be a novel idea to you pond old timers but what I was taught a lot of years ago to clear pond water quickly was to visit some new residential job sites and take as much drywall scraps as they will give you and you can carry.

They will float for a few days or a week until they fully saturated and then sink to the bottom. It doesn't take long for that to completely clear a cloudy pond. It's very unscientific and may have some downsides that I'm not aware of so please supplement what I've said if you have more info.

#68971 - 05/02/06 05:31 PM Re: New pond-Cloudy water
ewest Offline
Hall of Fame 2014


Registered: 03/08/05
Posts: 19488
Loc: Miss.
Drywall is made of gypsum unless you get the type that has other fibers in it. Be careful. Links.


Gypsum can be purchased in the form of sheetrock wall board. Most all home improvement stores have it. Do not use the pink colored type and try to be sure there are no added fibers as binders. It can be broken up and ground to small pieces and put in. The way to find out how much is to take a water sample in a jar --say a quart --measure out small amount of ground up gyp. measure it and add to see when it clears. Then do the calculations to see how much for the vol of the pond. Read these esp. the last one. Good luck.





#68972 - 05/11/06 10:49 AM Re: New pond-Cloudy water
KELLY B Offline

Registered: 09/19/05
Posts: 27
Loc: southern california
I got 150 lbs of powered gypsum from my local landscape supply co, it is intended to be used for soil conditioning,I put it in the water and by the next day the water had cleared. That is the brown cast(suspended sediment)was gone, leaving the water with a greenish tint that I assume is algae, which will be my next learning experiance. Thanks to all for you advice.
Kelly B


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