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theha222
 Post subject: Algae
PostPosted: Apr 25th, '13, 08:44 
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Hi,

I bought my aquaponics around 3 weeks ago and half of my dozen trout fish have died, i have plants in there just starting to produce and the fish tank is filled with green water especially on the sides of the tank. The water is too dark for me to see any of the remaining fish at the bottom

i have cover the tank and blocked alot of the sun from reaching to the inside and I wot be feeding the fish untill i can see difference in the algae. Is this the right way to go?

Thanks
Theha222
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faye
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 10:24 
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Can you post a pic of your system so we know a bit more about it. What have your water temps been and where are you located. Many systems in Perth would have been too warm for trout three weeks ago. How much are you feeding and what? What are your test results? Have you added any salt? Sorry for the interrogation, but thats what we need to know.
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RupertofOZ
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 14:00 
What form of aeration do you have in the tank....
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theha222
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 14:15 
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I`m located in Melbourne and its fairly cold the water temp was below 15 and probably higher than 7 throughout this week.
I used to feed them around a child handful but iv`e completely stopped for the last 2 days and covered the tank to block the sun from getting inside.
i have not heard of putting salt in aquaponics and i will be testing the water soon throughout this week

pictures will be coming soon
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theha222
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 14:19 
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RupertofOZ wrote:
What form of aeration do you have in the tank....

i have a second water flowthat produces alot of bubbles underwater ad i might start an air pump if i feel like the fish need more air
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dcsr20
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 16:21 
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I'm not an expert on it but Ive read that extra air is recommended for trout.


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RupertofOZ
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 16:25 
dcsr20 wrote:
I'm not an expert on it but Ive read that extra air is recommended for trout.

:headbang:

Even more so...as your algae will be sucking oxygen from the water... especially overnight...

Is that when your fish died?
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tcshad
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 16:28 
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theha222 wrote:
Hi,

I bought my aquaponics around 3 weeks ago


did you cycle at all? I'm guessing a dozen trout shouldn't be ridiculous in the ammonia producing capacity but maybe with how much you fed them it is an issue?

Have you done water tests?
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theha222
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 16:34 
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RupertofOZ wrote:
dcsr20 wrote:
I'm not an expert on it but Ive read that extra air is recommended for trout.

:headbang:

Even more so...as your algae will be sucking oxygen from the water... especially overnight...

Is that when your fish died?

MOST of them yes
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theha222
 Post subject: Re: Algae
PostPosted: Apr 25th, '13, 16:35 
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tcshad wrote:
theha222 wrote:
Hi,

I bought my aquaponics around 3 weeks ago


did you cycle at all? I'm guessing a dozen trout shouldn't be ridiculous in the ammonia producing capacity but maybe with how much you fed them it is an issue?

Have you done water tests?

Going to do them soon later in the week
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theha222
 Post subject: Re: Algae
PostPosted: Apr 28th, '13, 10:01 
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having problems uploading the pictures (pixels) and (the other ones are more than 2 mb)
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