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 Green water! need help.

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Deb
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PostSubject: Green water! need help.   Thu Aug 23, 2012 7:49 pm



This says it all. It's been going on for a long while. At first I thought it was pretty and figured it would go away on its own. I tried a several week blackout and large water changes. It keeps coming back. There are plenty of healthy plants in this tank, growing well with NO visible algae on the leaves. The fish are mixed guppies (Trinidad, Endler's, Gambusia) and Otocinclus and all are perfectly fine and do not seem to be affected at all.

There is a heater and one 17 watt bulb over 20 gallons (long). The light is on four hours in the morning and another four in the evening. There is no mechanical filter.

How can I get rid of the green water?

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PostSubject: Re: Green water! need help.   Thu Aug 23, 2012 8:54 pm

UV light or massive percentage wc's. Only other thing that comes to mind is barley in the pond section.
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PostSubject: Re: Green water! need help.   Fri Aug 24, 2012 5:31 pm

Have you tried a flocculant yet? Acurel-F has worked very well for me the two times I have had floating green algae. I bought it at Azalea. I think Petco has it. Considered a safe clarifying agent because it only binds to floating organic matter.

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PostSubject: Re: Green water! need help.   Sat Aug 25, 2012 11:24 am

She needs filtration for the flocculant to work, but she also needs UV sterilization (this will work 100% guaranteed!). Someone with an HOB UV sterilizer needs to lend it to her for a day. Badda bing, badda boom!

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PostSubject: Re: Green water! need help.   Sun Aug 26, 2012 9:32 am

I have a 15watt UV I will give you and I think I have a pump for it.

It is a nice shade of green though. Very Happy

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PostSubject: Re: Green water! need help.   Sun Aug 26, 2012 2:55 pm

Thank you for all your replies and care! Sorry for the delayed reply when you are all trying to help me but I had to be offline for a couple of days.

So it looks like the UV sterilization is going to be the way to go.

Mark, can we meet up for me to get that UV light and learn how to use it? I'll send you a pm. Very Happy

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PostSubject: Re: Green water! need help.   Mon Aug 27, 2012 11:55 am

Just picked up nice UV sterilizer and pump from Mark (Cichlid Lover)! All fixed up with instructions and ready to go. I will install it this afternoon, after I get back from Lowe's, and let you all know how it goes. Thanks! Very Happy

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PostSubject: Re: Green water! need help.   Mon Aug 27, 2012 12:30 pm

Take pictures of the before, during and after! Smile

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PostSubject: Re: Green water! need help.   Mon Aug 27, 2012 1:39 pm

Good idea! ThumbsUp

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PostSubject: Re: Green water! need help.   Mon Aug 27, 2012 5:46 pm

Looking forward to seeing the recovery. Thinking about adding a couple of the inline versions to the tanks.
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PostSubject: Re: Green water! need help.   Tue Sep 11, 2012 8:54 pm

Any update?
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PostSubject: Re: Green water! need help.   Wed Sep 12, 2012 9:31 am

Yes, we need updates! I don't think Deb has used the UV yet, since the tank actually started to resolve slightly on its own the last time I saw it, and she was going to see if it went away on its own.

I'm very interested to find out if it has continued to improve.

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PostSubject: Re: Green water! need help.   Fri Sep 28, 2012 3:19 pm

Here it is at its worst.



I haven't used the UV sterilizer yet. I want to see if I can budge this on my own.

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PostSubject: Re: Green water! need help.   Fri Sep 28, 2012 3:44 pm

Here is the end panel showing the water at its greenest.


This little Oto is literally one inch from the glass.

As an experiment, I swapped the AQUEON 17W 8,000K bulb, which gave a pinkish light, for a Coralife 17W COLORMAX bulb with peaks in different areas. The K rating is not given, but I'd say it's between 6,500 and 8,000. It is not pinkish at all, but much more of a normal daylight color.

Here is the same end, a couple of weeks later:


The visibility is much better and we can see much further into the tank.
The green water is by no means gone but it's slowly leaving, it seems.

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PostSubject: Re: Green water! need help.   Fri Sep 28, 2012 4:17 pm

Looking better, but have you given up on the UV or just playing around before so?
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PostSubject: Re: Green water! need help.   Fri Sep 28, 2012 7:50 pm

No, I suspect I'll use the UV light eventually. Even now, as I look across the room at the tank, I see the pale green glow of the water. *lol*

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PostSubject: Re: Green water! need help.   Thu Feb 28, 2013 10:51 am

The green water is gone!


Even though I went to the trouble of borrowing a UV light and learning how to use it, my real preference was to wait it out until the green water went away by itself. The turning point was in September when the tank was moved across the room. At that time, an 85% pwc was done. After that, the fall got busy and the tank entered a time of underfeeding and slight neglect. Oddly perhaps, this did the trick.
http://cvas.forumotion.com/t974p15-gulf-coast-pygmy-sunfish

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PostSubject: Re: Green water! need help.   Thu Feb 28, 2013 11:04 am

Woo hoo! Looks really, really nice, Deb Very Happy

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PostSubject: Re: Green water! need help.   Thu Feb 28, 2013 12:30 pm

Nice!
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PostSubject: Re: Green water! need help.   Thu Feb 28, 2013 1:19 pm

Green water blooms in aquaria with plants rarely last more than a few months IME. Once the plants get settled in and growing well (that can be a long time for Crypts) planktonic algae usually fizzle out. If it happens again, try some large Daphnia (magna or pulex) in a net breeder cage.
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PostSubject: Re: Green water! need help.   Sun Mar 03, 2013 7:34 pm

Patience pays off. Looks great.

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PostSubject: Re: Green water! need help.   Wed Mar 05, 2014 11:04 pm

Sorry for reserecting, but how did this turn out?

I've had a green water tank since the start of the tank back in October or so?  

I've done blackout
I've done UV sterilizer
I've done huge water changes
I've added more plants
I've changed from HOB to sponge filters
I've substrated it
I've covered the window next to it
No matter what I do the tank likes being green!  
The fish and snails are all doing well and not had an issue with any of them despite the tank sometimes looking like green jello.

Oh, I went from a basic 30" aquarium hood with light, to clip on standard house lightbulbs of higher watt so that when it is somewhat clear I can see my fish Very Happy  I can get it pretty clear if I do about 2/3 water change 2 days in a row, but it doesn't last long!



at worst

bit better


at best:  

My Christmas moss does so well in it that I've been asked if I use CO2, but I'd like to see the fish a bit more.
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PostSubject: Re: Green water! need help.   Thu Mar 06, 2014 7:24 am

Wow - you have really tried everything. I have never seen UV not work, so could it be the bulb is bad? I'm grasping at straws!

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PostSubject: Re: Green water! need help.   Thu Mar 06, 2014 9:57 am

Here is how things worked out for me.  
This is page two of the story so if you haven't read the whole thing, you probably should.  IMO things took a turn for the better after I moved the tank.  The new location suited it.  

@Deb wrote:
The green water is gone!

Even though I went to the trouble of borrowing a UV light and learning how to use it, my real preference was to wait it out until the green water went away by itself.  The turning point was in September when the tank was moved across the room.  At that time, an 85% pwc was done.  After that, the fall got busy and the tank entered a time of underfeeding and slight neglect.  Oddly perhaps, this did the trick.
http://cvas.forumotion.com/t974p15-gulf-coast-pygmy-sunfish  
 
Follow the link to see the tank at its peak with pygmy sunfish!

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PostSubject: Re: Green water! need help.   Thu Mar 06, 2014 10:01 am

Guess I posted too late in a long day and missed the last page.

I think the light in the UV was good, it did clear completely up, but no matter what it comes back!  

I've been told it is dangerous and will harm my fish etc, but really they could care less same as in your experience.   The Christmas moss is thriving, it's just a cool shade of green!
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