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Something is propagating in my tank

cronosx999

cronosx999

Can anyone identify these growths? I think if I don't do something it is going to over run my tank.
 

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etmanning1

etmanning1

NJRC Member
Zoas Grow Out Winner
I kinda see some sort of sponge but it’s really hard to make it out from the pictures. Can you get a closer and clearer shot?


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diana a

diana a

Staff member
NJRC Member
Moderator
Yes those are pineapple sponges. They are a part of a young tank. They are called calcareous sponge, calcium to form their "skeleton” and harmless. They hitched hiked in with something. Then one day you will notice they are gone. Good filter and shows that your tank chemistry is in line.
 
etmanning1

etmanning1

NJRC Member
Zoas Grow Out Winner
Definitely pineapple sponges. My sump is overrun the the suckers. Pretty cool!


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