Coraline Alagae Disappearing?

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lebloom

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Oct 4, 2001
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My 75gal FOWLR seems to have a problem. My rocks coraline is little by little disappearing and I don't know what to do. At present there is only a Coral Beauty and some snails in it. Is my skimmer the culprit and what should I do?:help:
 

Haydn24

Boo!
Jun 28, 2010
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Make sure your calcium is up around 400ppm..
 

Andrew Chang

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Feb 25, 2011
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Lighting problems are usually when lights are to bright like adding MH to a tank you will see Coraline recede.

Water quality is usually the bigger issue make sure you have the basics.

SG apx 1.024
Alkalinity 7-12 dKH
Phosphates undetectable
Nitrates <5 ppm

Other things that should be fine with regular WC's are Calcium and Strontium but if everything else is ok you should test Calc

I had a bad batch of salt once where they forgot to add the Calc Suplement Ingredient to the mix.
 

tanker

Josh Holloway--Be mine!!!
Sep 1, 2003
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Do you have an urchin?? They eat coraline.
 
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