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green spots on my tank

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report abuse | report copyright infringementaquarium fish forum / Basic aquarium help / green spots on my tank
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11's avatar anonymous
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#1 Posted 01 May 2008, 7:32 pm
There are green spots on my tank, can anyone please suggest as to what are these and how can I get rid of these green spots?

thx, Elly

original post: February 28, 2007, 2:34 am
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15's avatar Wampa
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#2 Posted 01 May 2008, 7:33 pm
If your green spots are on the glass of your aquarium it is green spot algae. You have a lot of light and low phosphorus. If you want to try fertilize by phosphorus be very carefull. A high amount of phosphorus can help to explode grow another algae.
Ing. Patrik Ruzic http://aqua-wampa.blogspot.com/
11's avatar anonymous
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#3 Posted 01 May 2008, 7:34 pm
Hi Elly,

Have you tried to scrub them off?
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11's avatar anonymous
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#4 Posted 01 May 2008, 7:34 pm
Thanks Wampa Biggrin . Gonna try it.

RE second question... Yes, I have tried many times to remove them, but am unable to.
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11's avatar anonymous
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#5 Posted 01 May 2008, 7:35 pm
Hmm, well they are definitely diatoms or colonies of radiolaria. They are basically composed of calcium and silica and are very very difficult to remove. I have similar problem with my tank, but they are not harmful to the environment of my tank, so I just avoid them, don’t scrub too hard to scratch the glass, so I guess you should do the same, or if you find anything that will help you in removing them, please let me know.

Ray
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22's avatar mickey
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#6 Posted 01 May 2008, 10:46 pm
I have used in the past a good reliable implement,a toothbrush-works wonders



http://www.fishtankforum.co.uk

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