Weird Brown Algae - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 7 Old 10-24-2013, 01:05 PM Thread Starter
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Weird Brown Algae

Hi Everyone,
I am new to this forum and I am also a beginner freshwater tank owner. I have had my tank for about 4 months now. I have 1 raphael,3 schools of glow fish Tetras, and 2 snails. My tank is a 29 gallon and for about a month now I have this nasty brown algae growing all over my plants, rock and on the walls. What is it and how can I get rid of it? My tank looks horrible now and I just want to get it clean again.

Thank you
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post #2 of 7 Old 10-24-2013, 03:20 PM
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Hi and welcome to the forum!

Can you take a pic of the brown algae?

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post #3 of 7 Old 10-25-2013, 10:04 AM Thread Starter
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Thank you, I will be able to take a pic when I get home tonight.
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post #4 of 7 Old 10-25-2013, 11:04 AM
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If the plants are plastic then what you have is normal.

You can take them out and clean them but the algae will return.

I would add live plants like anacharis of the vals and wait a week to insure then are growing.

Then kill the lights and stop adding food until the algae dies off.


Then resume with 1/2 duration lighting and reduced feeding. Increas lighting if the algae stays away, and reduce lighting and feeding if it comes back.

You will eventually will find some combination of lighting and feeding that allows the plants to thrive but not the algae.


my .02
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maintain Fw and marine system with a strong emphasis on balanced, stabilized system that as much as possible are self substaning.

have maintained FW systems for up to 9 years with descendants from original fish and marine aquariums for up to 8 years.

With no water changes, untreated tap water, inexpensive lighting by first starting the tank with live plants (FW) or macro algae( marine)

see: http://www.tropicalfishkeeping.com/a...-build-295530/
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post #5 of 7 Old 10-25-2013, 11:44 AM
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That maybe kinda right there but brown algae is usually diatoms or could be just debris from lack of proper filtration. Which is why I asked for pic to see ppl can see it. Diatoms are usually common in setups. 4months in it may still be this case or could be from a source of silicates. Either way a pic will help us determine some of the problem.

Last edited by Boredomb; 10-25-2013 at 11:47 AM.
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post #6 of 7 Old 10-29-2013, 09:49 AM
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Quote:
Originally Posted by aurorabynight View Post
Hi Everyone,
I am new to this forum and I am also a beginner freshwater tank owner. I have had my tank for about 4 months now. I have 1 raphael,3 schools of glow fish Tetras, and 2 snails. My tank is a 29 gallon and for about a month now I have this nasty brown algae growing all over my plants, rock and on the walls. What is it and how can I get rid of it? My tank looks horrible now and I just want to get it clean again.

Thank you
I had a brown algae invasion the last few months and did some additional water testing for phosphates and silicates. Phosphates were minimal but the silicate reading was 8. I purchased phos-zorb and a small separate mesh media bag from the pet store. Opened the phos-zorb and added about half to the media bag which is long and skinny good enough for a 25 gallon tank. The original phos zorb is for 55 gallons. The algae is disappearing and so far, no new algae to be found. I retested the silicate level this week and they are down to under 2. Hope this helps someone.

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post #7 of 7 Old 10-31-2013, 03:34 AM
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Silicates is the other factor I was taking about that could cause a daitom bloom. Tho never knew for sure what to use to remove it from the water. So thanks for sharing about the phos-zorb and its abilities to remove them!!!

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