can anybody tell me what this is???

[Kayla]

i have started a new tank and bought matured live rock and matured water, but since yesterday huge balls of white mold looking stuff are growing on the rock, one or two have popped and it loos like black mold, but one of them that was toaken out the tank that popped had a black liquid inside. all of the rock that we took out of the take that had this on stunk

can anyone tell me what it is???

 

[thominil]

Welcome to AA!

A pic might help.

 

[match55]

Welcome aboard.
And yes please show us some pic, so we font have to guess. XP

 

[neilanh]

Welcome to AA!

That definately sounds interesting. See if you can find it here

 

[melosu58]

Welcome aboard. My guess would be a sponge.

 

[roka64]

I would venture a guess at a sponge until they said a black liquid squirted out....maybe bubble algae, but these are just guesses.