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green hair algae?

This is a discussion on green hair algae? within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> The floating plants probably help limit algal growth by taking up nutrients. I have not run across any info that indicates floating plants, in ...

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Old 08-31-2011, 08:34 AM   #11
 
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The floating plants probably help limit algal growth by taking up nutrients. I have not run across any info that indicates floating plants, in any way, increase algal growth!

Byron can speak more eloquently on the topic, but I believe floating plants help a good bit with algae control, as long as they don't shade things too much. My limit for floating plants is about 25% of the surface and I "corral" my floating plants using suction cups and black thread barriers to keep them where I want them on the surface. I keep my floating plants over my lower-light plants, or over specific parts of the tank where algae starts to reappear once in a while.

I currently run my lights at 7-7.5 hours/day, even dosing with Flourish Excel daily. Six hours of light didn't seem to bother any of my plants when I cut if back for a two-week anti-algae effort. The only plants it seemed top bother were the ones I was already having issues with, the Cabomba and Myrophillium that like pretty high light.

It's absolutely a light length/intensity issue. It can be exacerbated by nutrient excesses, but as Byron said, light is the key element be it intensity or duration of the light.

FYI - My hair algae never "died back", it just stopped growing and I had to eventually either removed it with a toothbrush or removed the infested plant part with the attached algae.

Last edited by DKRST; 08-31-2011 at 08:45 AM..
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Old 08-31-2011, 09:57 AM   #12
 
Yea, I got rid of about 90% of my floating plants... mainly because those were the only plants that had the hair algae. I have found a little of it on my driftwood but other than that it has been entirely limited to my floating plants. It didn't grow as fast since I cut back the light and I removed just about all that I could see. Unfortunately I didn't try the toothbrush method. The algae has only been showing up on the leaves and roots to my watersprite with the one exception of a small location on my driftwood. I'm only dosing comprehensive once a week now....
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Old 08-31-2011, 10:24 AM   #13
 
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It is light that causes algae, as DKRST said. So be careful cutting back on nutrients (Flourish Comp) as the plants need the nutrients with the light in balance or they can't photosynthesize and algae will take advantage. I know it is tempting to cut back on ferts when algae appears, I have experiemented with this too, but it didn't work; the light is the issue.

Floating plants should help with algae by reducing the light entering the tank.

Finding that balance is crucial, and it can vary with the seasons. I have always noticed an increase in brush algae in the summer, and this year I have kept the blinds and drapes covering the windows of the fishroom since May, and so far I have not seen any increase as previously. More proof it is the light. That is another advantage of a "fishroom," being able to control light/dark specifically for the fish and not other activities.

Plants at or close to the surface will naturally be the first to attraqct algae. The trick is not letting it spread further down. And that is light intensity and duration.

Byron.
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Old 08-31-2011, 11:28 AM   #14
 
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Quote:
Originally Posted by DKRST View Post
The floating plants probably help limit algal growth by taking up nutrients. I have not run across any info that indicates floating plants, in any way, increase algal growth!.

Byron can speak more eloquently on the topic, but I believe floating plants help a good bit with algae control.
Just wants to say that I was not saying that floating plants cause algae. What I was getting at in my tank is I may see an algae problem now that I don't have anymore floating plants. For the reason my tank is twice as bright as it was. I may not have not said it the best way and probably need to learn how to communicate better. Sorry if it sounded like I was misleading. That was not my intention!
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Old 08-31-2011, 11:39 AM   #15
 
I will be sure to keep up with the ferts. Do you think I may be more vulnerable to the issue because I removed the majority of my floating plants? It was pretty much isolated to them, which is why I removed them.
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Old 08-31-2011, 11:41 AM   #16
 
Now that I think of it.... I believe I began to slack on the twice a week with ferts and maybe that is what started the issue to begin with... the plants not receiving enough nutrients to photosynthesize. And algae taking advantage... interesting...
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Old 08-31-2011, 11:45 AM   #17
 
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Originally Posted by Boredomb View Post
Just wants to say that I was not saying that floating plants cause algae. What I was getting at in my tank is I may see an algae problem now that I don't have anymore floating plants. For the reason my tank is twice as bright as it was. I may not have not said it the best way and probably need to learn how to communicate better. Sorry if it sounded like I was misleading. That was not my intention!
I didn't think you were saying anything inaccurate, I was only clarifying
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