There are occasions when one's body finds it necessary to muster all of its energies for some special purpose, as in serious sickness accompanied by lack of desire for food, and one's colon may remain inactive for some time. If one's colon is under inflammatory stress, i.e., one is constipated, one should, while water fasting, close one's eyes, feel, concentrate on and feelingly meditate on, whatever symptoms one has in one's colon. One's colon is always talking to one. Listen and do what one's God within, one's inherent intelligence is telling one to do. Then one can spontaneously have all the bowel movements that one needs.
Nothing cleanses one's colon but one's colon itself.
One's bowel is a self-cleansing organ. One's God within one's colon has successfully cleansed itself spontaneously for billions of years that living beings have been on earth. It is already built into the DNA, the genes and chromosomes. One never needs a therapeutic agent to cleanse one's colon. The enema, colonic, cleanses, etc., have no power themselves.