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and the algae has started

This is a discussion on and the algae has started within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> Some reliable dataz on "green water." First is by George Booth, second by Dusko Bojic. Green unicellular algae will sometimes reproduce so rapidly that ...

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and the algae has started
Old 04-06-2013, 03:27 PM   #71
 
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Some reliable dataz on "green water." First is by George Booth, second by Dusko Bojic.
Green unicellular algae will sometimes reproduce so rapidly that the water will turn green. This is commonly called an "algae bloom" and is usually caused by too much light like direct sunlight. An algae bloom can be removed by filtering with micron cartridges or diatom filters. UV sterilizers can prevent the bloom in the first place. Green water is very useful in the raising of daphnia and brine shrimp. Film algae Grows on the aquarium glass and forms a thin haze. Easily removed by wiping the glass. Considered normal with the higher light levels needed for good plant growth.

The situation that causes GW (Green Water) is usually a combination of high nitrates, phosphates, and mixed in some ammonia/ammonium. Substrate disturbance is usually the culprit. What happens is the algae (GW form) will flourish off of the ammonia/ammonium and phosphate, remembering that algae can consume phosphate easier than plants because of their thin cell walls, the algae uses up the ammonia/ammonium and phosphate, but it doesn't go away...because algae can quickly switch with nutrient it scavenges...it moves to nitrates. So you can see why water changes will not rid a tank of GW. Nutrients can be reduced very low in GW and fairly quickly by the GW algaes, but they can scavenge other nutrients...iron and trace elements. So, it's very common for the GW to solve the situation that causes it to begin with, but that won't eliminate the GW, for the reasons I've allude to. Five methods exist to eliminate GW. Blackout, Diatom Filtering, UV Sterilization, Live Daphnia, and Chemical algaecides/flocculents. The first four cause no harm to fish, the fifth one does.
Since "green water algae" thrive in water with NH4 and strong lights, I planned to add floating plants to shade the tank (something like black-out) and to uptake the NH4 from the water column.
As both authors indicate, high light is a prime concern with this as indeed with any type of green or red algae.

Adding more nutrients is not going to help. But having said that, the plants must receive sufficient in order to be able to out-compete these algae. Your light is still an issue.

Adding chemicals of any sotrt, be it flocculants, algicides or Excel, is not wise; all of these do have an impact on fish.

Byron.
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Old 04-06-2013, 04:12 PM   #72
 
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the excel has helped balnce the tank a bit and has completely stopped the further growth of algae on the plants. I have some floaters coming in next week (duckweed frogbit and dwarf water lettuce) with them being such fast growers and being able to block some of the light going into the tank this should help with the algae correct and to also suck up those unused nutrients? GWA seems like a catch 22 without a a natural way of getting rid of it once you have it since it can adapt so easily.

Since "green water algae" thrive in water with NH4 and strong lights, I planned to add floating plants to shade the tank (something like black-out) and to uptake the NH4 from the water column.

was there any conclusion to how well that worked? I really don't want to have to invest into a diatom filter or UV light to clear the water but if that's the only way to fix it once the balance is achived then I must I guess
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Old 04-06-2013, 04:16 PM   #73
 
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I wouldn't go to those extremes (UV, etc). My post was merely trying to focus on the issue.

We must all keep in mind that everything we do to an aquarium will somehow affect the biological balance. When one is attempting to settle things down, making continual changes and adding this or that is only going to keep things "stirred up." Target the cause, yes--and here it is light--but not by messing around with chemicals and nutrients.
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Old 04-06-2013, 04:19 PM   #74
 
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so with that being said if I acquire enough floaters then the problem should correct itself?
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Old 04-06-2013, 06:35 PM   #75
 
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so with that being said if I acquire enough floaters then the problem should correct itself?
The short answer is yes. My pond receives 6-8 hours of direct sunlight in various areas...not the entire pond. Additionally, the goldfish pump out plenty of nutrients. The hornwort that I added provided some shade; however, I can't believe that shade was the only benefit. It grew inches a day. It had to be taking something away from the algae. I changed the water out until it was clear...quickly. There was nothing partial about it. That's easier to do with a pond. You just add water with a hose and add water conditioner occasionally until the water is clear. More fast growing plants, planted and floating will help. With your high output lighting, I'd add plenty of said plants and still do the once a week Flourish Comp. Excel and Comp aren't either or. They're different. If that doesn't work, I'm thinking we need to tweak the lighting. Byron made a good point in that we need to make these adjustments gradually and have patience. Best of luck, Mitch.
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Old 04-06-2013, 07:10 PM   #76
 
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After a week with the floaters in tank the next option is a light diffuser from lowes want to raise light as last option
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Old 04-06-2013, 07:29 PM   #77
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The floaters will need a while to cover your tank XD FYI ur seeding ur tank from my 2.5 gallon >.> (which is my bigger filled tank atm )
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Old 04-06-2013, 07:31 PM   #78
 
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Old 04-06-2013, 07:54 PM   #79
 
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Originally Posted by aokashi View Post
The floaters will need a while to cover your tank XD FYI ur seeding ur tank from my 2.5 gallon >.> (which is my bigger filled tank atm )
time is all I have with this tank since the GWA isn't nessicarly bad for the fish im fine with waiting on your clippings to fill in. im sure with the light and nutrients it wont take too long. but if in time the floaters will resolve the problem then im ok with that. but of course I will still be doing my weekly 50% and I guess when it clears it clreas right?
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