Thanks for that information, and thank you to the other answers as well. I have taken some magnesium and it seems to have eased a little. My bowels had been a very dark brown colour, almost black, for a few days following the flush but now they are more a normal brown. The pain is still there, I am wondeirng if my endometriosis is playing up again, I wont know for sure unless I have an ultrasound I guess. As it stands I can't flush during the week now as I have to go to work so it will be two weeks next weekend anyway.