hi all, i havn't posted in so long. anyway, had to comment this. a friend of mine tried this product:
http://www.colonsilence.com/download/flyer_ENG.pdf
he's amazingly happy with it. he bought it bout a yr ago and it cost him around 55 $. he has a colostomy and he's stoma is really noisy. i never tried it, i have an ileostomy and it is silent 99% of the time. he sais it completely solves the problem.