Help identifying this slime

[Lejmah]

Hello!

I need help identifying this pretty thick slime. Ive tried to grab it with a tweezer but it wont come off that easy.
The muschrooms dosent seems affected by it.
One part of it is Brown and The other is white.

Thanks!

 

[vetteguy53081]

Looks like sponge or lyngbya algae
Best course of action is to place the rock in a bucket of tank water and scrub of with a toothbrush and agitate Rick in water and return to tank

 

[Cell]

It's much easier to ID stuff in water as opposed to out of the water.

 

[Lejmah]

Thanks for the replays. Sorry for the bad pictures, here are som better thats in water.