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Old 08-13-2012, 12:35 AM   #1
alphabeatsco
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Diatoms


I've been running my tank for close to 9 months now.
everything is fine.
dosing ada fertilizers according to their instructions...

I change 50% water every week religiously. Is there any reason why I would start to grow diatoms close to end of week?

Once I scrub the tank and change water on Sunday, it'll be fine until around Thursday, then diatoms start to grow on the side of glass.

any suggestions???? i've tried to shorter the length of light & reduce fertilizers, still same.
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Old 08-13-2012, 12:54 AM   #2
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Hi alphabeatsco,

Otocinclus, they eat it like it is candy. I usually use one per 20 gallons and in a week or two the diatoms are gone. Otocinclus are also good at eating soft, flat, green algae types.
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Old 08-13-2012, 01:09 AM   #3
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yes i have them in my other tanks, they are doing a great job.
but I also have a shrimp tank, which doesnot have them.

is there any way to prevent it ?
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Old 08-13-2012, 01:13 AM   #4
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Hi alphabeatsco,

Sorry, scrubbing and Otocinclus are the only two methods I am aware of.
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Old 08-13-2012, 01:17 AM   #5
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thats what i've been doing.
but I am not sure what causes diatoms in the first place.
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Old 08-13-2012, 01:22 AM   #6
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What filtration media do you use?
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Old 08-13-2012, 01:26 AM   #7
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aquaclear
sponge
carbon filter
noodles
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Old 08-13-2012, 01:32 AM   #8
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How old is your carbon? I know some folks will not agree with me here, but carbon seems to help me here
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Old 08-13-2012, 01:50 AM   #9
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diatoms don't like intense light.

but an efficient bio filtration system usually prevents diatoms
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Old 08-13-2012, 02:20 AM   #10
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Diatoms are usually in a tank until they have eaten all the excess silicates in the tank.
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Old 08-13-2012, 05:25 AM   #11
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Quote:
Originally Posted by okapizebra View Post
Diatoms are usually in a tank until they have eaten all the excess silicates in the tank.
Exactly. If you keep getting diatoms, then something is supplying that tank with silica.

Here's an interesting article about diatoms. It's written for saltwater tanks, but the basic concepts apply to freshwater. http://www.aquaticcommunity.com/aqua...ad.php?t=60144
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Old 08-13-2012, 07:00 AM   #12
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what exactly is silicates?
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Old 08-13-2012, 07:14 AM   #13
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Quote:
Originally Posted by alphabeatsco View Post
what exactly is silicates?
http://www.google.com/search?source=...ac.yeApsyzuMWk
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