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Algae Algae Control - Get some advice for your algae problems. Control algae in your aquarium with the solutions given here.

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Old 07-28-2006, 10:13 AM   #71 (permalink)
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Well just an update on my tank....

After weeks of the green dust algae my glass is 90% gone and clear except for the white residue it leaves.....It was a tough one to wait out but im glad I did!

Sucess!!! Thanks Tom Barr even though he wont see this!
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Old 07-28-2006, 11:30 AM   #72 (permalink)
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My ottos really did a number on GDA. I have 9 of them in my 55 and they keep the place squeaky clean
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Old 07-28-2006, 12:06 PM   #73 (permalink)
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Ottos eat all your GDA?? I have three in a 29 and they don't even make a dent.

Also for those without the patience for Barr's method, I seem to have found something that seems marginally effective.

Overdose Excel to your tank and then immediately after you do that scrape all the glass- I use a credit card. I thought this might work to kill lots of the spores and it seems to because this week the GDA is coming back way slower, but alas it is still coming back. I am going to repeat this process and see if over a few weeks I can't eradicate it completely.. I doubt it will work.. but it's worth trying.. I just couldn't stomach looking at my poor tank all covered with green funk on the glass.. was too much to handle for more than a couple weeks..
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Old 07-28-2006, 12:21 PM   #74 (permalink)
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Well no, they did not eat all the algae. I first reduced intensity and duration of light. Then after a few days the algae started to fizzle out in most areas in the tank. However it lingered up near the top of the tank where the light was most intense. Then I added ottos.

The ottos ate the remainder and since then it has not come back. So the algae took a beating from less light and then the ottos ate the rest of it and I assume keep it from growing up near the top.

What a horrible algae. I am soooo glad it has gone... It really was painful to see it every day...
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Old 09-01-2006, 08:58 AM   #75 (permalink)
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Quote:
Originally Posted by banderbe
Ottos eat all your GDA?? I have three in a 29 and they don't even make a dent.

Also for those without the patience for Barr's method, I seem to have found something that seems marginally effective.

Overdose Excel to your tank and then immediately after you do that scrape all the glass- I use a credit card. I thought this might work to kill lots of the spores and it seems to because this week the GDA is coming back way slower, but alas it is still coming back. I am going to repeat this process and see if over a few weeks I can't eradicate it completely.. I doubt it will work.. but it's worth trying.. I just couldn't stomach looking at my poor tank all covered with green funk on the glass.. was too much to handle for more than a couple weeks..
Interesting you say this. I let the GDA get to almost the end stage... Thick film on the glass that swayed in the current, then it started to die from the top of the tank down, just turning white. The "tufts" of it on the driftwood and what was growing on the plants had started to bleach out too. So I scraped it off the glass with a credit card and did a 3x OD with Excel. I was thinking "hey, Excel worked for BBA, I'll try it on this crap."

I'll let you know how it went. I won't be around to see it personally, as I'm moving, but I'll ask my mother to give me a report on how it's doing.

"GDA" is exactly what I'd call this stuff... but sometimes the GD doesn't stand for "green dust," if you get my drift!
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Old 09-04-2006, 06:23 AM   #76 (permalink)
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I've found this works to lessen GDA

1) Let the GDA build up,
2) Scrape the glass,
3) Do a large water change
4) Stop EI dosing/add only micros and potassium
5) Repeat 2, 3, & 4.
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Old 01-28-2009, 01:27 AM   #77 (permalink)
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Default Re: Green Dust Algae ODYSSEY

As some suggest, lowering the light does help prevent/slow down GDA. On the other hand, how do we grow light-intensive plants? Specifically, I have HM (grows like weed), some HC, and as of recently glosso (it's a 375 L / cca 100 g tank). In my earlier (lower light) set-ups I never had GDA problems, however, now with lots of T5s, GDA is my biggest enemy.

And just to share with you, Alternathera R. seems to be a real magnet for this menace - Alternathera grows fast, but only the newest leaves are not plagued with GDA. I am at a point where I am considering kicking it out altogether. I am hoping that once GDA goes off the glass, it will also leave Alternathera alone.
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Old 02-17-2009, 01:52 AM   #78 (permalink)
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Default Re: Green Dust Algae ODYSSEY

I would like to join the club of those who kicked-out GDA, using the 'do-not-disturb for 4 weeks' method. After 1 month, I wiped the glass, did 20% water change, and 10 days now my glass is spotless (well maybe a few dots of GSA). GDA in some form is still on my rear glass, but I don't mind.

I still have a minor case of BBA, but CO2 and Easy Carbo should take care of that.
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Old 07-17-2012, 10:52 AM   #79 (permalink)
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Default Re: Green Dust Algae ODYSSEY

Ugh, I just redid a 29 after a year or so of neglect with no light fixture or CO2. I have been constantly battling this GDA (not the nice abbreviation either) since then for the past month or so. Glad I stumbled across this thread, I'm going to try the "wait and see and then scrape" approach. If it works, I'll post it up on here. I really hope it works, this stuff is ridiculous. I know this is an older thread, but I think it's a good one to keep going, especially since this is a common algae and this strategy apparently works.
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Old 08-02-2012, 11:20 AM   #80 (permalink)
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Well, about halfway through this month long business, and I'm already sick and tired of staring at a green box. I miss my plants, and my fish Hopefully, when this is all said and done, it will work; I don't think I can suffer through another month of this algae. I cut back my lighting by half, that room gets a lot of sunlight (and in Alaska in the summer, that is a *lot* of sunlight) and I hope that'll help. I should post a picture of it, the algae is waving in the water-breeze. That being said, it's given me lots of time to catch up on my 10 gal natural tank and give it some much needed care.
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