Brown algae? - Betta Fish and Betta Fish Care
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post #1 of 6 (permalink) Old 03-07-2013, 03:02 PM Thread Starter
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Join Date: Jan 2013
Location: Nebraska
Posts: 97
Question Brown algae?

I've started having what appears to be a brown algae problem in a 5-gal tank that's about two months old and cycled. I can see a brown film starting to coat the glass, plants, and gravel. Usually, I just wipe it off, since it so easily comes off. The only inhabitant in the tank is my betta, although there used to be a golden mystery snail. I have five different species of plants in my tank, all doing well. I give them Flourish once a week along with 8 hours of full spectrum light every day. Ammonia, nitrites, and nitrates are all virtually zero, and my pH is around 7.5-ish. The tank is also aerated.

Any suggestions on help with the brown algae? Is there anything I can do to keep it from growing, or should I just go out to get a snail or other algae eater?
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post #2 of 6 (permalink) Old 03-07-2013, 09:59 PM
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Location: Waxhaw, NC
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I would like to watch this thread too. I started my tank in early January and completed the cycle in February. Now I am starting to see brown all over the glass and just today started to see green. I hope someone can give us a hand in this.

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post #3 of 6 (permalink) Old 03-07-2013, 10:06 PM
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Location: Chautauqua County, NY - My mind is in my fish tank usually
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Brown algae is common in newly set up tanks. Its also common problem in tanks with poor lighting or where you don't have a well established cycle just yet.

In a well maintained tank, it usually goes away within a few weeks of appearing. Just keep wiping it away and vacuum any gravel it shows up on whenever you do a water change.

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post #4 of 6 (permalink) Old 03-08-2013, 06:41 AM
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Location: Southern NH
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It sounds like a bacterial bloom and is pretty common in new tanks. Byron explains it very well in this thread - post #10.

Animal testing is a terrible idea; they get all nervous and give the wrong answers.
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post #5 of 6 (permalink) Old 03-08-2013, 05:23 PM
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Location: Waxhaw, NC
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Thanks everyone for the great info. My tank lighting is OK and I have ordered better lights since my plants are doing OK as well. They could be doing better and I think it is because of the lighting, LED's. So I have some 6500K on order to increase the light. I will clean the glass and vacuum the gravel this weekend in hopes of bringing it down.

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post #6 of 6 (permalink) Old 03-11-2013, 12:16 PM
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Join Date: Dec 2012
Location: Waxhaw, NC
Posts: 624
Here is what I did on Sunday
  • removed my betta to his cup
  • removed all my plants and snails
  • scrubbed down all the walls
  • vacummed the sand
  • removed sponges from HOB and put in charcoal filter
  • let run for over an hour to clear all the crud that I stirred up
  • rinsed off plants in old tank water
  • rinsed off sponges and placed them back in HOB filter, removed charcoal filter of course
  • replanted plants and made adjustments
  • added 1.5 gallons of treated water
  • added snails
  • added betta after acclimating in cup for about an hour.
  • upgraded lights (thread to come soon)
I will keep an eye out for more brown algea. Thanks again everyone for the help and information

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