Does anyone know what this is?

[jeharrisonjr]

Its the white fuzzy things, there's 3 of them

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[revhtree Verified Admin]

Hey buddy can you kinda point them out?

 

[revhtree Verified Admin]

Oh I see one I think and it looks to be a harmless sponge.

 

[mallorieGgator]

I see pineapple sponges. Harmless and neat creatures.

 

[Tenor]

Sponge, it's harmless

 

[K1Reef]

Pineapple sponge

 

[Yariel0527]

1+ Pinaple sponge. Good for water filtration the like to suck the nutrients out of the tank.....