Listen... when I've run de-ca in the past, I bloat, bloat, BLOAT... I've tried high dosages of AI's, they didn't work...I've tried diuretics, they didn't help much either, proviron didn't do anything for the bloat either.... the moon-face was the worst!
In retrospect, I can probably agree with the elevated carbs possibly contributing to the problem... but the thing is, you cut down carbs and where is the growth? What's the point of using de-ca then? I'm not even talking sugars/simple carbs, only the good kind... no good carbs = no growth.
Someone suggested to me recently to run some winstrol along with N P P and this supposedly makes for a nice gainer with lower bloat. I may give it a shot. So maybe consider some winstrol with your cycle? Clean up your diet, use an AI, for what it's worth... after all that, you may just have to suck it up and deal with it in the end.