There are many different types of colon therapy systems on which students can be trained. There are open and closed systems. Each system falls into the category of either a Class I or Class II device.

CLASS I SYSTEM (Non-Prescription)
Requirements for Purchase:
1. You must be trained on the system.
2. You must be a certified colon hydrotherapist.

CLASS II SYSTEM (Prescription Needed)
Requirements for Purchase:
1. You must be trained on the system.
2. You need to be under the supervision of a medical director.
3. You need to have a prescription to order the colonic system and/or rectal nozzles.

Definitions:

Closed system - therapist must help the client insert the nozzle, the therapist controls the flow of the water and instructs the client on when to hold and release the water.

Open system - the clients inserts the nozzle themselves, the nozzle is about the size of a pencil, the client controls how long they hold the water and when they release it.

Class I device - this is a non-medical device and doesn't require the colon therapist to work with a medical doctor.

Class II device - this is a medical device and requires the colon therapist to work with a medical doctor.