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Brown Scummy Stuff on the Pond

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  #1  
Old Friday 15th August 2008, 16:13
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Brown Scummy Stuff on the Pond

Has anyone any idea what this is, what is causing it & how we can treat it?
The pond looks horrible, it's brown oily looking stuff, just floating on the top. Never had anything like it before. I tried skimming it off with a net but the mesh isn't fine enough. Can't see the poor fish they seem to have dived into the mud, can't see anything at all on the surface.
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  #2  
Old Friday 15th August 2008, 19:14
msmum
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Judi - it could be oil from algae or even pollen. Can you get a picture of it?
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Old Friday 15th August 2008, 21:57
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I'll take a pic over the weekend & post it Msmum. Thanks.
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Inch by inch, row by row, gonna make this garden grow.
All it takes is a rake and a hoe and a piece of fertile ground
Inch by inch, row by row, Someone bless the seeds I sow.
Someone warm them from below, 'til the rain comes tumbling down.
J.D.
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  #4  
Old Saturday 16th August 2008, 08:35
Butterfly
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Hi Val, we get a lot of algae but haven't seen the scum.

Here is a link which may help
www.rhs.org.uk/Advice/profiles0500/algae.asp
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  #5  
Old Saturday 16th August 2008, 13:44
annafricangrey
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the only time i have seen brown stuff floating in our pond is when my husband put a treatment in to get rid of algae


can you shove a pair of tights over your net? this would give you a fine mesh to catch it all in

ann
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  #6  
Old Saturday 16th August 2008, 18:48
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Hi Val

Sounds like a variation of Algae to me.

Do you have lots of fish in your pond Val. They would be the best Pond cleaners you can have.

Add plants/more plants to 'open' the water to prevent growth

Killing off the light with 'shade cloth' so the algae does not grow is another way.

Kathy
x

Last edited by Peewit; Tuesday 19th August 2008 at 13:45.
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  #7  
Old Saturday 16th August 2008, 21:07
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Thank you for your replies, it really is brown scummy stuff & oily too, it isn't green. I also noticed it in the bird bath. I wonder if there is something in our rain causing it. I will take a pic if it ever stops raining here.
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Inch by inch, row by row, gonna make this garden grow.
All it takes is a rake and a hoe and a piece of fertile ground
Inch by inch, row by row, Someone bless the seeds I sow.
Someone warm them from below, 'til the rain comes tumbling down.
J.D.
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  #8  
Old Saturday 16th August 2008, 21:24
msmum
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Hi Val - glad you don't have algae (I have enough for both of us I'm sure). Any organic waste will leave an oily surface on the pond - so if you have some pond plants where maybe a part of it is decaying, or had algae - this can all create an oily slick on the top of the pond. It can also be caused by pollen settling on the pond water and give an oily appearance.
Do you have the right number of fish in the pond? Too many fish for the pond will also give you an oily substance, as again - as the fish excrete - you have organic waste which if too much, will give an oily appearance.

Will keep my eyes out for a pic when it stops raining!
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  #9  
Old Saturday 16th August 2008, 22:14
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Quote:
Originally Posted by Val View Post
Thank you for your replies, it really is brown scummy stuff & oily too, it isn't green. I also noticed it in the bird bath. I wonder if there is something in our rain causing it. I will take a pic if it ever stops raining here.
Hi Val

Love to hear what happens.

Also look forward to seeing your pictures.

Kathy
x
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  #10  
Old Tuesday 19th August 2008, 12:36
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Well Folks, it seems the pond has cleared itself, I went out to take a pic & that brown oily scum has vanished. I have no idea why. OH says it's probably sunk to the bottom. We have rain again, this lot must be cleaner.
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Inch by inch, row by row, gonna make this garden grow.
All it takes is a rake and a hoe and a piece of fertile ground
Inch by inch, row by row, Someone bless the seeds I sow.
Someone warm them from below, 'til the rain comes tumbling down.
J.D.
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