The day before the procedure, the patient shall eat just lightly and skip dinner completely. It is permitted to drink as necessary (no alcohol). The procedure is performed on an empty stomach. The voiding of bowel contents can be helped by performing a light massage of the bowel, deep abdominal breathing or the autogenic relaxation technique.

For the better effect of bowel cleansing, one shall take a series of 3-6 irrigations. The irrigation may be performed only twice a week.

Also known as colonic irrigation, this practice was reputedly used in Ancient Egypt, China and India. However, the method common in the West today has its origins in 19th century European spas.