White-clear thing on rock?

[doaz]

Hi All

I saw this forming on one of the rocks in the tank.
Anyone know what it is?
It's over several areas on the rock
It's clearish white
Looks like a blob of gel or something.
I don't see any tenticles
It's only on this one rock

Thanks for the help
Kevin Baker

 

[Bill0181]

Sponge, harmless filter feeder

 

[doaz]

Thanks

I was hoping nothing bad

Sounds good

Kevin Baker