Can't beat the Algea :(
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Can't beat the Algea :(

This is a discussion on Can't beat the Algea :( within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> So my GF has a 2.5 gal tank with the dividers and 3 bettas. She keeps getting infested with Algea. The first time I ...

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Can't beat the Algea :(
Old 02-27-2010, 12:42 PM   #1
 
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Can't beat the Algea :(

So my GF has a 2.5 gal tank with the dividers and 3 bettas. She keeps getting infested with Algea. The first time I did a complete water change, washed the gravel and decorations, and then added some Algea fix. About a week later it was back as strong as ever. So then I did a 3 day complete black out, which killed all the algea, so I gravel vaced the dead algea and then did a 20% water change.

Now a week later it is all back again. I am looking for any suggestions??
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Old 02-27-2010, 12:48 PM   #2
 
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First off, what are your water parameters?? Do you have a test kit you could get a reading from? If you need to take it to a LFS, just make sure that they give you exact readings. Don't let them tell you that "you're levels are little off" or "your nitrates are a little high...

Secondly, whats your feeding schedule? How often do you feed and how much?
Lastly, whats your lighting schedule? Algae can most commonly be caused by excess lights....

Try and answer these and it'll help get to the root of the problem..

PS - I wouldn't use "algae fix" or anything like....chemicals only mask the problem. Need to find the root cause.

Johnny
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Old 02-27-2010, 01:02 PM   #3
 
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I'll have to check when I get home as I am at work right now. If I recall last check was Am:0 Nitrite:0 Nitrate:5 but I could be wrong My GF and I have 10 tanks and remembering which is which at times is difficult.

As for lighting schedule we have a little flurecent that sits on top of it, it gets turned on at 9am and turned off at 9pm. It sits in front of a large window but the shades are always closed so not sure how much differance that makes. For Feeding since the Algea issue they have been fed once a day in the mornings around 9am about 5 pellets per fish, and almost always all gone within 3 minutes, however sometimes a few will sink and the Betta won't eat them.
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Old 02-27-2010, 01:31 PM   #4
 
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My very first question to properly help you there:
1) What kind of algae??? Green slime? Green thin Hair? Brown brush?
2) How long has this very tank been set up?
3) Is there any live plants in there?
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Old 02-27-2010, 01:54 PM   #5
 
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Green Slime, I beleive this tank has been set up for about a month, so not very long, perhaps a little longer. No live plants.
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Old 02-27-2010, 02:10 PM   #6
 
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And a blackout didn't help that???? How long did you black out?
Sounds to me there's a problem with the amount of food (or how often you feed) and the regular weekly w/c.
Green slime is actually not really algae its a bacteria called cyanobacteria which is often enhanced by low-no nitrates which you'd see mainly in new set ups.
So apart from reevaluating your black out set up there - Any chance you can seed the tank from a old WELL established other tank?
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Old 02-27-2010, 02:20 PM   #7
 
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The Black out lasted 72 hours. In a dark room with a heavey towel over the top. The black out did VISIBLY seem to work as all the green was gone and there was a bunch of brown dirt all over. That was all cleaned out/vaced and then a week later it seems to all be back. There is no filter in this tank it is bi-weekly waterchanges. would a filter help? do they make filters for 2.5 gal tanks?? I can attempt to seed sure.
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Old 02-27-2010, 02:36 PM   #8
 
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There's few things I'd do there was this my tank
- Add a lil sponge filter (example Bio Foam Single Sponge Filters, Sponge Filters | Pet Solutions or a Mini Filter from Petsmart/ Walmart).
- Then I'd cut back on the feeding and sometimes not feed at all for 24hrs (yes the fish will be find I done this for many yrs with all my fish to feed every 2nd day)
- Exchange water weekly about 30-40% with a good water conditioner (eg Tetra Aquasafe or Prime if you have ammonia present in your tap water)
- Then I'd down the lights to may 10hrs/day

Set that up and run it and see what's happening over the next 2 weeks. Adding small plants poss from your other existing tanks would be a plus in helping to uptake the existing nutrition so you'd pretty much starve the cyanobacteria out.
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Old 02-27-2010, 02:37 PM   #9
 
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Forgot: The problem you see there with the Alagefix or any other chem along these lines: Its gonna eliminate the current visible issue yes; but it does not eliminate the root cause problem so it'll always return until such point you eliminated the root cause there.
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Old 02-28-2010, 03:26 AM   #10
 
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The plant experts will have to chime in on this one, but I might also suggest that three adult bettas in a 2.5g tank might be adding a substantial amount of waste (i.e. fertilizer) to the tank and since there are no live plants to compete for these nutrients, algae goes nuts.
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