<s>[INST] Can i dilut/mixe the suprep bowel prep 2nd dose with more water, say 24 oz instead of 16 oz as recommended? I can't bear to drink it again. Also, if my procedure is 8:30 tomorrow am, I'm wondering if I should move up time of 2nd dose to say 2:00 am vs 3:45 amas  directed by Dr. Office, since it took 4 hours for 1st dose to work....(5 pm ). I eed to drive 35 minutes to get there for colonoscopy... [/INST] HI, thanks for using healthcare magicIt would be best to stick to the dosing schedule as prescribed particularly the amount of medication recommended.If the bowel is not adequately cleaned out then the test would have to be postponed.I hope this helps </s>