My last dec.2013, colonoscopy The prep. was changed and i thought that was it i almost pass out. Lucky i thought of cold compress and my huband put it on my neck and i woke me up. I told my doc. at the hospital and he was shock. It was the gatorade mix with miralax. never had this prep before. The prep is the hard part for me. wipes me out. what about you guys? I used to use as they said the Jug mix with water. Let me your storys it could help others. and me