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Old 07-08-2006, 06:02 PM   #1
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What is brown sediments that is settling on the bottom

Pl. see the image. I get this brown color sediments forming on the live sand. I clean it (vaccum it or mix it up in the sand) almost every week. It keeps coming back. The tank is 5 months old.
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Old 07-08-2006, 07:08 PM   #2
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its hard to tell in the pic if its diatom or a cyno.. Can you get a closer pic...
diatom algae is a normal part of a new tank and will burn itself out over time. if it fluffy like or is it slimmy and if kicked up it floats around?
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Old 07-09-2006, 08:20 AM   #3
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it does float around if kicked. the tank is five months old and I used to get this in the beginning and then it stopped. Now I am getting it all again. Is this normal?
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Old 07-09-2006, 10:20 AM   #4
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A better ic would help with a 100% ID.. If its floats and is slimmy to the touch and is seen to have bubbles trapped in it then its cnyo bacteria. Do a search on the site and on the home page there are links to info.
What type of water do you have, tap or ro/di?
Have you checked for nitrates and phosphates?
Cyno is a pest algae and is hard to get rid of so you need to get on top of it when it first pops up to keep it under control.
Syphon it out when doing water changes to start.
You need to test the water and post numbers...
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Old 07-09-2006, 01:29 PM   #5
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I have ro/di water. I have tested the water myself and also at the lfs. There is nothing seem wrong with th ewater. It does not look like cyno either. When I use the magnet to wipe of algae on glass, it flies away and settles down a little later. I will try and post the water parameteres later today.
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Old 07-09-2006, 02:35 PM   #6
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Quote:
When I use the magnet to wipe of algae on glass, it flies away and settles down a little later
Definitley diatoms.
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Old 07-09-2006, 05:40 PM   #7
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Agree probably diatom algae a normal part of a newer tank and it should burn itself out..
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Old 07-09-2006, 09:21 PM   #8
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Maybe it's detritus?
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