found this growing in my overflow

[ZOOT098]

what the heck is it??????

 

[Bifferwine]

Scypha sponge, aka Q-tip sponge. Reef safe, filter feeder.

 

[cgoodman381]

I have about 300 between my overflows and sump. Reef safe :)

 

[Piggy]

You'll find all kinds of stuff in the overflow.

 

[SSalty]

Sponge is great for your tank. Removes nutrients.

 

[yote]

Just leave it be.Great lil home grown filter.

 

[Rcpilot]

Yep! I got a zillion of them growing under rocks and in little crevices all over the tank. They are good.

If you have any kind of angel, the fish will eat any in the tank. Natural food source.