The cloudiness should clear up. Go ahead and run your filter which will help but you should clean it in a week or two. The "quick cycle" stuff doesn't work. You need to be patient and give you cycle plenty of time. I can take a month or 1-1/2 months to cycle well. Here is a very good article on cycling a tank. If you haven't read it, it would be very helpful to you.
While you are waiting for the tank to cycle, read all the threads you can on this site. You will learn a ton and it will make it that much more enjoyable when you can start adding fish and corals to your tank. Trust me, the research will pay off.
Cycle your salt tank