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Why do people filter their outdoor ponds?

Posted on 4/16/17 at 5:53 pm
Posted by LakeViewLSU
Baton Rouge
Member since Jun 2009
17730 posts
Posted on 4/16/17 at 5:53 pm
I have an outdoor pond that has never been filtered. It has a mix of plants and even flowers in it. It has a layer of mud/plant sludge at the bottom but the water is pretty clear. There are 12 Goldfish that have flourished and gotten pretty big over the years. I dont even feed them.

So why do people hook these filters up to their outdoor ponds?
Posted by Pectus
Internet
Member since Apr 2010
67302 posts
Posted on 4/16/17 at 5:53 pm to
eutrophication
Posted by LSU alum wannabe
Katy, TX
Member since Jan 2004
27872 posts
Posted on 4/16/17 at 6:01 pm to
You are lucky or you are doing a lot more than you are letting on.
Posted by colorchangintiger
Dan Carlin
Member since Nov 2005
30979 posts
Posted on 4/16/17 at 6:03 pm to
To prevent algae or bacteria build up.
Posted by LakeViewLSU
Baton Rouge
Member since Jun 2009
17730 posts
Posted on 4/16/17 at 6:05 pm to
quote:

You are lucky or you are doing a lot more than you are letting on.


I do have some snails too, but thats about it.
Posted by UGATiger26
Jacksonville, FL
Member since Dec 2009
9128 posts
Posted on 4/16/17 at 6:07 pm to
My pump/filter quit on me about two weeks ago, and since then, my pond has gone from crystal clear to murky and dark.

I'm planning on buying a new filter this month and re-building the pond entirely. I inherited it from the previous homeowner.
Posted by LSU alum wannabe
Katy, TX
Member since Jan 2004
27872 posts
Posted on 4/16/17 at 6:08 pm to
You lucked into an ecosystem sir. How many years have you had the pond?

No algae blooms? No green water? No dead fish? I assume you live down here as a real winter would kill goldfish.
Posted by LakeViewLSU
Baton Rouge
Member since Jun 2009
17730 posts
Posted on 4/16/17 at 6:17 pm to
4 Years

Some algae on the sides, but never on top of the water.

No green water. Do have several water Hyacinth, and water lilies.

Iv'e had a few fish die over the years, but the 12 that are there now have been there for years as they have grown quite a bit.

The pond has frozen over a couple of times but it didnt kill the fish. Maybe the layer of sludge/Plants at the bottom keeps them warm?

The water is not crystal clear, but it isnt super murky either. I can always count the fish unless they are hiding under a plant.
This post was edited on 4/16/17 at 6:53 pm
Posted by LSU fan 246
Member since Oct 2005
90567 posts
Posted on 4/16/17 at 6:27 pm to
Can you post a pic?

What's the size, depth, and plants?
Posted by LSU fan 246
Member since Oct 2005
90567 posts
Posted on 4/16/17 at 6:28 pm to
quote:

? I assume you live down here as a real winter would kill goldfish.


Goldfish can live under frozen water. They are incredibly tolerant to a wide range of temps
Posted by setinways12
Baton Rouge
Member since Sep 2015
989 posts
Posted on 4/16/17 at 6:33 pm to
U probably have hyracinths....they keep the water clean and provide oxygen to the water.
Posted by LakeViewLSU
Baton Rouge
Member since Jun 2009
17730 posts
Posted on 4/16/17 at 6:44 pm to
Im not at home right now, but Ill try to post a pic later in the week. It is a large sugar kettle. I think 7 Ft?

quote:

Hyacinth


This is the name I couldnt remember. There are always quite a few of these, not water Iris. They seem to die off for the most part in the winter but always come back in the Spring.
This post was edited on 4/16/17 at 6:54 pm
Posted by Breesus
Unplug
Member since Jan 2010
69549 posts
Posted on 4/16/17 at 6:45 pm to
quote:

Im not at home right now


Want me to post the pick for you?

I'm drilling your wife.
Posted by UGATiger26
Jacksonville, FL
Member since Dec 2009
9128 posts
Posted on 4/16/17 at 6:48 pm to
quote:

Want me to post the pick for you?

I'm drilling your wife.



Posted by LakeViewLSU
Baton Rouge
Member since Jun 2009
17730 posts
Posted on 4/16/17 at 6:49 pm to
Im not married, so if there is a girl there, she is probably burglarizing the place.
Posted by LSU fan 246
Member since Oct 2005
90567 posts
Posted on 4/16/17 at 7:45 pm to
Cool cool.

Yea a neighbor of mine has a couple of those. Nice looking but I don't know if he has fish in it.

Those don't seem very suitable for a filter though. Maybe an outside canister with hoses running into it.

Mine couldn't do without a filter, or at least perform like it does. Mine is in ground, around 9'×7', and gets a good amount of sun. My filter provides water circulation to lower summer temps, has a uv light for algae, and keeps the water crystal clear.

And yea water hyacinth is great for ponds. I have that and lily pads I started from bulbs around 5 years ago (they're still small :/ )
Posted by LSU Neil
Springfield
Member since Feb 2007
3663 posts
Posted on 4/16/17 at 8:58 pm to
You are wrong about the goldfish and winter. I had 2 inches of ice on top (koi pond only 2.5 foot deep) and they lived year after year.
Posted by LSU alum wannabe
Katy, TX
Member since Jan 2004
27872 posts
Posted on 4/16/17 at 9:19 pm to
quote:

Goldfish can live under frozen water. They are incredibly tolerant to a wide range of temps



I have koi, and know they can survive very cold temps. they just hang out on the bottom and dont move much.

I did not know with goldfish? Any tropicals are gonna be hit and miss with surviving cold.
Posted by The Boat
Member since Oct 2008
178330 posts
Posted on 4/16/17 at 9:21 pm to
Your nasty pond is cleaner than the water used in the Rio Olympics.
Posted by LSU fan 246
Member since Oct 2005
90567 posts
Posted on 4/16/17 at 9:39 pm to
Yea the goldfish are good with the cold also. I was skeptical myself but they are very hardy
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