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Old 06-02-2012, 08:54 AM   #1
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violet color algae?

i have a community tank and im getting this violet color stuff on my decorations.what ever it is its hard to get off.any one no what this is?
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Old 06-02-2012, 09:09 AM   #2
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Lights?
Params?
Stock?
Tank size?
Filter?
Can we have photos?
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Old 06-02-2012, 09:46 AM   #3
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Pretty hard to say without a pic, but if it's hard to get off it's probably coralline algae. If you want to remove it, soak the decorations in vinegar. It will dissolve the coralline.
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Old 06-02-2012, 10:29 AM   #4
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ok ill try vineger.i have a regular floresent bulb emperor filter and i have a blenny ,two clowns and just bought a long nose hawkfish.i always have great parimeters my salinity is alittle low at o.22 but the company says to keep it between 0.20-0-23
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Old 06-02-2012, 11:35 AM   #5
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What's the tank size?
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Old 06-02-2012, 11:51 AM   #6
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For salinity i would aim for 1.025, thats closer to the natural range of the ocean.
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Old 06-02-2012, 01:35 PM   #7
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Quote:
Originally Posted by crister13 View Post
What's the tank size?
75 gal
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Old 06-02-2012, 05:25 PM   #8
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Hard to say without a picture, however your description sounds like coraline. Coraline is considered desirable by most.
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Old 06-02-2012, 05:30 PM   #9
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looks alright on live rock but not decorations
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