I had considered doing that myself. I have been using the Oxypowder and thought if I had mucoid plaque that the Oxypowder wasnt getting out I could try the PB Shakes. If the BP Shakes didnt get any ropes out on their own then the Oxypowder must be doing the job. However, the oxypowder plows through everything you had to eat that day that has made its way to your bowels. If thats the case then it would do the same with the PB Shakes rendering them useless.
I dont see any harm in trying though. The only drawback could be that the oxypowder spends too much of its use cleaing your colon out of the PB Shakes instead of reaching the stuff you really want out.