I have those same issues and I take rowesa enemas. So i would assume the grey color and film are the enema. Glad to here things are lookin up for you.
38 yr old male, NE Ohio, diagnosed Aug 2008, but been with symptom since Nov 2007
30 mg pred, 9 balsalazide, rowesa nightly, 2 gemfibrozil, 1 norvasc, 1 metoprotol, 1 allopurinol, 2 probiotic, 2 aloe vera tabs
Following gluten free diet as well as spinach/sunflower regime
**down to 25 mg of pred 12/25/08 **down to 20mg of pred 1/7/09
MED CHANGE: 1/13/09-- 4 Lialda, 2 Pamine Forte, 1 Florajen3 probiotic, 2 Aloe Vera tabs, Rowesa every other night, 20 mg of Pred, Lomotil as needed, 2 gemfibrozil, 1 norvasc, 1 metoprotol, 1 allopurinol