What is this growing under my frag plug?!

[Reef Monster]

These frag plugs have been on my frag rack for about two months. Just checked under it today and noticed this:

 

[35ppt]

Sponge

 

[Reef Monster]

Sponge

Well that’s a relief but what should I do when I mount the frag onto my rock work? I would like to keep the sponge since I hear they are good to keep.

 

[tautog83]

It's probably in your sump and something like that isnt going to do much anyways so eh but up to you .

 

[35ppt]

Redacted

 

[Reef Monster]

Just noticed this on one of my snails. What is it?

 

[35ppt]

Redacted