The open system colonic hydrotherapy is the safest way to remove excess waste in the colon because it uses clean water and no water pressure. There are no special preparations before starting the colonic hydrotherapy session. However, it would be good to do colon hydrotherapy at least 2 hours after meal. It does not cause dehydration, nor does is waste minerals in the body since mineral water is used for colon hydrotherapy. Colon cleansing is helpful in getting rid of the waste that has accumulated in the body for a long time. These toxins in the body may cause various diseases that you are experiencing. It is advised to keep the intestines clean and schedule colonic hydrotherapy regularly for the prevention of disease and improvement of your wellbeing.