What algae is this growing all over 1 rock in my tank

[Dave1993]

 

[Murica]

Looks like ulva (sea lettuce)

 

[Zach B]

+1. My large turbo snails made pretty quick work of it. Sometimes I would have to move them to the affected areas but they sure ate it well Best of luck

 

[Dave1993]

What should i do get rid of it or keep it i mean if i get rid of it always gonna be another algae popping up and i kind of don't mind the look of this 1