ID Please, Little white barnacles?

Hi, I have recently noticed a bunch of little white barnacle looking things in my tank. They are very hard to the touch and seem to eventually crack open. I am not sure what they are, any help would be great :)
Thank you for the help
 
 

hunt

Active Member
i have no idea what they are, but the cracking open thing makes it sound like some kind of egg or cocoon type thing. Do they move around?
 
Hi, thank you for your response. No they dont move around at all. I had a couple on my glass, they looked to be a light brown inside then a short time later nothing. They dont seen to be effecting my corals, not yet anyway? I have had them for about a month or so. They seem to be in clusters
 

meowzer

Moderator
Nope....I have them all over my tank....they are most likely astrea or nerite eggs.....I don;t ever mess with mine....
 
Meowzer, Thank you so much, I feel so much better now. They have been multiplying like crazy in the past week or so. I really appreciate all your help :)
 
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