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#949675 5th Jun 2015 3:41pm
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Putting this on for advice or anyone who has had this problem with there fish pond.Its a shot in the dark question. Reason is that i haven t seen any wiki member who has put any post up about fish ponds or treatments.
Here goes.
Done a fish pond in my garden last year and it all turned out great.
Then algea started to appear in the water .
Looked up advice in the internet and took 2 options
1.barley bales,
which i did ,and made no difference.
2.Hydra crystal solution,
Worked for 2 days and the water went green again.
Tried everything by emptying half the water and putting it back.
The fish are healthy enough but i can only see them when they come to the top.

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snowhite #949685 5th Jun 2015 5:41pm
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I used to get this in the pond in my old house. It's basically caused by the sunlight on the water. The best way to fix the problem is to fit a filter but it can be a bit expensive as it will involve wiring, a pump and a filter. Did you put enough barley in? I found it worked really well.
Good luck

snowhite #949686 5th Jun 2015 5:44pm
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If the algae is so bad buy a pump with a UV light in it. There's not cheap but it will keep your water like crystal. You can get them for garden ponds and places like Europa pools use UV disinfection because the UV light kills everything including Cryptosporidium that even Chlorine won't kill.


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Uffda #949766 5th Jun 2015 10:49pm
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Originally Posted by Uffda
I used to get this in the pond in my old house. It's basically caused by the sunlight on the water. The best way to fix the problem is to fit a filter but it can be a bit expensive as it will involve wiring, a pump and a filter. Did you put enough barley in? I found it worked really well.
Good luck
Hi Uffda,Yes the pond has a pump and filter.I keep it well maintained
3 barley bales are in the pond now.
The 28 days are up and no sign of the algea clearing.

I will try Captain Americas advice.......DD helped me look for one today.
So will keep you both updated.
Thanks to both of you x

snowhite #949768 5th Jun 2015 11:23pm
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Is this the 30foot deep/ 2 foot circumferance fish pond discussed on earlier threads?

snowhite #949771 6th Jun 2015 12:29am
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I have a uv on mine and also use cloverleaf treatment which works well but unless you have a uv light on the pond this will happen all the time

neilmcc #949801 6th Jun 2015 9:33am
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Originally Posted by neilmcc
I have a uv on mine and also use cloverleaf treatment which works well but unless you have a uv light on the pond this will happen all the time
Is the cloverleaf treatment in tablet or liquid?
Am a bit wary of the pond water treatments in case they harm the fish.
I will keep you all updated.Really gratefull for your advice.

snowhite #949819 6th Jun 2015 11:21am
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Hi it's a powder you add to water in a watering can and sprinkle over the top of the water

snowhite #950009 7th Jun 2015 12:39pm
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Its been a right stubborn pond, we have tried three different chemical/biological treatments (each one at least twice) and while they show a tiny (and I mean tiny) short term improvement, the pond reverts within a couple of weeks.

UV seems to be the way to go, in the long term it will probably end up cheaper than successive biochemical treatments and hopefully actually do something.

The pond is just one year old now and even over winter the algae didn't subside, the most visibility has been about 8 inches and that was short-lived, its normally around the 2 inch mark. The filter system ensures its not physically thick, it is literally just like dark green dye. The filter captures brown stuff which I presume is dead algae.

UV kit on its way now.


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snowhite #950020 7th Jun 2015 1:42pm
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Uv is def the way to go

snowhite #950048 7th Jun 2015 6:32pm
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I have taken a photo of the pond today,Water is so green,Will put a photo of the pond on this thread at a later date.
Waiting on the UV kit to arrive.
And fingers crossed this works.

snowhite #950112 7th Jun 2015 10:00pm
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Bit off topic but I was out in the garden today and discovered that I have tad poles in my pond. I don't have fish as I only put it in as a feature but was delighted to see I have some life in there. smile

snowhite #950126 8th Jun 2015 12:11am
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Bit late for tadpoles probably newts

snowhite #950130 8th Jun 2015 7:35am
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Cheers Dusty but they definitely look like tad poles.

snowhite #950158 8th Jun 2015 10:55am
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Newts look like tad poles until the tail shows.

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