Couple of IDs ?

[Robert1234]

Theres this weird white sort of maybe alge of this piece of rock that i bought with the coral and some blue sort of sack looking thing i am unsure of could anyone point in the diresction of what these may be ?

 

[helen ann]

Can you post a pic?

 

[Robert1234]

Sorry thought it had attached to the post but here it is

 

[Robert1234]

@helen ann would you have an idea of what this is ?

 

[KJ]

Sponge.

 

[helen ann]

There you go ... @KJ beat me to it!

 

[Robert1234]

Okay cool thanks

 

[Robert1234]

@helen ann just another question, would this be considered a sponge also ?

 

[helen ann]

Looks to be a sponge to me.