Did you use an algaecide at closing? Sometimes there's a reaction like this when those products begin to oxidize. You could post a full set of test numbers for us as well, but I suspect the first start-up and SWG's creation of fresh FC is causing this. Once you confirm all levels are adjusted it should dissipate and resolve itself.
the film seemed to disappear, what i did notice this morning when the film was coming out of the jets, the pressure gauge seemed to rise a little bit, do you think maybe by turning on the cell there was a bit of air lock?