Most of the public are unaware that there is a difference, it is our duty of care to educate first time clients, especially in Melbourne as this has the unusual ratio of more open than closed systems.
To give an example, in London they do 6000 colonics per month, and there is only 1 open system.
It can be quite daunting as your digestive system is connected to your nervous system (obviously), plus the fact that is an unknown, and can be quite scary.
It is important to know that your therapist has been trained in the use of colon hydrotherapy equipment, in house training is not sufficient to perform such treatments, Certified training is essential for a safe colonic. You can research and locate qualified practitioners by visiting www.gpact.org