Acan colony dying!

Master Shake

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Lawrence
have you gotten anything new to agrivate it? when was the last time you changed your bulbs? have you changed anything such as flow, chemicals, placement, etc...?, do you use carbon?
 

jimidalock

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Yes, I use carbon, nothing new near it accept some xenia have multiplied around it. The bulbs were changed about 3 months ago, but I used the same brand and type of bulb to replace.
 

jimidalock

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No, relatively new test kits. I have a perdominatly sps tank. All of my sps are colored up and growing. I was thinking maybe some kind of parasite eating away. I'm really stumped.
 

qy7400

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Long Island
Since it's only the bottom row I'd look more towards a fish nipping at it or something close by, other LPS sweepers stinging it (sweepers can get very long), growth from the rest of the colony shading the lower heads, power head moved, the xenia maybe hitting it causing the heads to stay closed?
 

SevTT

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Suffolk County
There're some coral-eating worms that eat acans. Pull out the colony, examine it, make sure there're no boreholes in the skeleton that might house a worm...
 

Bob 1000

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Manhattan Reefs
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A lot of the time softies will die back when nutrient levels are to low.. I had trouble growing softies with my predominantly sps tank.. Try some aminos... But first make sure that carbon was rinsed well..
 
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