newbie adds ich... now what?

[Reef Puffer]

sooooo... ya, there was no QT and im sure my new pink spotted goby has ich. now what do i do? i really dont have alot in my dt. a couple of female mollies that keep having babies..(btw how many batches does 1 molly have? maybe they were both prego?), couple hermits, feather dusters and some snails. do i just wait it out? hope my new goby gets better? hope the molies dont sick? any advise would be nice. Thanx.