Theres a big flaw in the way that the prostate site describes taking the PBs with the MC. The site recomends mixing the BP with the lemonade and never admonishes for the need to drink lots of water for the BPs to be succesfull.
Bentonite is a highly absorbtive clay that must be done either and hour before or an hour after taking any nutrition so mixing it with the lemonade will negate the nutrition and cleansing form the lemonade which is your whole source of nutrition while on the Master-Cleanse not to mention you source for succesfull cleansing.
That big flaw makes me think that the whole ultimate cleanse thing is not very well thought out at all. Like I said before the BPS can be done at anytime.They don't hafta be done with the MC.
I'm a big believer in doing the Master-Cleanse neat with no additions to get the maximum cleasning from it without all these additions that can interfere with the cleansing of the MC. More is not better.
If you still want to go ahead with the UC then read the FAQs and read Ptrees famous post to learn how to do the BPs properly. Do not mix the BPs with the lemonade. They need to be done 1 hr before or after drinking any lemonade and you need to chase them with equal amounts of water and drinks lots of water throughout the MC.
The Master-Cleanse works by giving the digestive system a break so the body will use all the extra energy to cleanse and heal. If you do the Liver-Flush and dump all that oil and GF juice into your system in the middle of of the MC the body will hafta deal with all that oil and GF juice thus activating the digestive system and pretty much stopping the cleansing altogether. The Epsom Salts can also be quite dehydrating.