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-   -   FW hydroids?? ID? (http://www.canreef.com/vbulletin/showthread.php?t=32304)

Delphinus 04-20-2007 04:24 AM
FW hydroids?? ID?
 
Noticed some hydroid thingies in my FW tank tonight:

http://members.shaw.ca/hobiesailor/a..._hydroid_1.jpg

http://members.shaw.ca/hobiesailor/a..._hydroid_2.jpg

What are these? Are these a concern?


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