white stuff

I need help! There’s some white fungus looking stuff on my soil around the base of my plants. What is it? Do I need to worry? How do I get rid of it?

Ola! Long time lurker, decided to finally give it a go! So have been having numerous issues really but this lil one captured my attention with the white stuff on the leaves. It does not come off if i spray or wipe the leaf. Given this sprouted 2wks ago already ... im thinking it's in trouble...