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pond algae

Avalon

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I have a small fish pond and have an on going war between string algae and free floating. The free floating algae is winning the war. I have tried everything from plants, chemicals straw even UV lights. The UV light works ok but none seem to last more than a few months. Anyone have any magic solutions?
 

Joe King

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Spray some Roundup® on it?


You said it's a small pond, have you tried raking it?
 

Avalon

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Spray some Roundup® on it?


You said it's a small pond, have you tried raking it?
It has fish in it so I have to be careful. I keep it clean. I have to be very careful with the fish even algae meds can suck the oxygen out of the water and have to be used with caution. An ideal solution would be a filter small enough to filter it out but there doesn't seem to be such a thing.
 

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Best way to keep algae at bay is running water. A small waterfall using a small pump and return would be ideal and also the best for the fish. They make them that are totally submersible and all you need to do is hide the cord with decorative rocks/brick/anything.
 

Avalon

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Best way to keep algae at bay is running water. A small waterfall using a small pump and return would be ideal and also the best for the fish. They make them that are totally submersible and all you need to do is hide the cord with decorative rocks/brick/anything.
oh pretty will check it out
 

stoli

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I've had good luck running a cheap uv lite to keep my pond clear.

Without it my pond turns green even with a waterfall.

If yours is in full sun like mine I think your going to need to consider another uv .

I change my bulb every spring.

20190709_193620.jpg
 

Avalon

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I've had good luck running a cheap uv lite to keep my pond clear.

Without it my pond turns green even with a waterfall.

If yours is in full sun like mine I think your going to need to consider another uv .

I change my bulb every spring.

View attachment 227855
that is lovley. Yes its in full sun. What UV light do you have? The last three I have bought all broke. Not the bulbs but the units. They have all been attached to the filter. I was thinking about trying an external one and maybe have better luck.
 

Unca Walt

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Best way to keep algae at bay is running water. A small waterfall using a small pump and return would be ideal and also the best for the fish. They make them that are totally submersible and all you need to do is hide the cord with decorative rocks/brick/anything.
Beat me to it. Thee are all sorts of neato "percolators" to choose from.
 

stoli

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that is lovley. Yes its in full sun. What UV light do you have? The last three I have bought all broke. Not the bulbs but the units. They have all been attached to the filter. I was thinking about trying an external one and maybe have better luck.
This is the light i use. The cost of the unit is about the price of a replacement bulb for the expensive uv pond lights.

 

TAEZZAR

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I have a small fish pond and have an on going war between string algae and free floating. The free floating algae is winning the war. I have tried everything from plants, chemicals straw even UV lights. The UV light works ok but none seem to last more than a few months. Anyone have any magic solutions?
No magic, Avalon, BUT I used a pool skimmer net on a long pole. It took 2 or 3 seasons before it worked, but I have no pond algae after that.
See one here:
https://www.amazon.com/EPOARTIST-He...hvlocphy=&hvtargid=pla-4584001431102259&psc=1

edit:
I had a lot of trout & bass that I would not want chemicals to invade them.
 
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Goldhedge

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An ideal solution would be a filter small enough to filter it out but there doesn't seem to be such a thing.

What about a fish tank filter? Not the exact size they use, but it should be a simple task to replicate the filter container larger using plexiglass?

They use a filter medium at the top and gravel at the bottom. You could use fiberglass or some other medium with pea gravel.

Just an idea... FWIW
 

newmisty

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Best way to keep algae at bay is running water. A small waterfall using a small pump and return would be ideal and also the best for the fish. They make them that are totally submersible and all you need to do is hide the cord with decorative rocks/brick/anything.
...and Avalon... be sure to keep the screen clean...with routine hygiene, so yiu don't burn put your machine.

Know what I mean?


 

pitw

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Not sure what it would do to the fish but bluestone [copper sulphate is used up here to combat algae.
 

newmisty

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TAEZZAR

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newmisty

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TAEZZAR

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Blue green algae used as nutritional supplement. I used to work at a health food store.
Ooooh, I know what it is & I ALMOST started to eat it ! :finished:
 

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AurumAg

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Algae eaters?

I just drank a smoothy with seaweed and algae, so there is that option.

You can also use algae to make your own bio-Diesel fuel.
 

Avalon

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I've had good luck running a cheap uv lite to keep my pond clear.

Without it my pond turns green even with a waterfall.

If yours is in full sun like mine I think your going to need to consider another uv .

I change my bulb every spring.

View attachment 227855
I got the UV light you suggested. It's HUGE! It is way studier than others I have ordered. It's the first external one I will be using. Ill let you know when I hook it up.
 

stoli

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I got the UV light you suggested. It's HUGE! It is way studier than others I have ordered. It's the first external one I will be using. Ill let you know when I hook it up.
Hope it does the trick. Give it a week or so to ciear up your water.

How big is your pond? Gallons?
 

hoarder

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Not sure what it would do to the fish but bluestone [copper sulphate is used up here to combat algae.
This^.....Copper sulfate is handy stuff. It even preserves wood and cures athelete's foot. It's main use is ponds.
 

Avalon

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Hope it does the trick. Give it a week or so to ciear up your water.

How big is your pond? Gallons?
good question? Maybe 300 gallons. Not large but fairly deep. I did a water change the other day. I don't want to risk a massive algae die off. I lost some fish one time that way. Now I add external air pumps when I kill algae so it doesn't suck all the oxygen out of the water.
 

stoli

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good question? Maybe 300 gallons. Not large but fairly deep. I did a water change the other day. I don't want to risk a massive algae die off. I lost some fish one time that way. Now I add external air pumps when I kill algae so it doesn't suck all the oxygen out of the water.
That light is probably a little to big. If you enjoy the hobbie.....go bigger.
 

Avalon

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That light is probably a little to big. If you enjoy the hobbie.....go bigger.
It wont hurt if its too big will it? Its about 3 ft deep. The water is clear at the moment.

cccc.jpg
 
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