Welcome to ARCH – the Association of Registered Colon Hydrotherapists

ARCH is the UK's leading community for colon hydrotherapists. Together we set standards, support our members and spread the word about this effective, natural treatment that we provide for thousands of people, from all walks of life, every week.

ARCH members are passionate about our therapy, because we see on a daily basis the real, positive effects it has on people's lives, whether they're suffering with digestive problems or simply looking for a natural boost to their health and wellbeing.

We're here to help you, whether you want to find a colon hydrotherapist, learn how to become a colon hydrotherapist or just find out more about how ARCH works as a community to inform the public and support our members.

What is colon hydrotherapy?

The therapeutic internal use of water to promote correct bowel function.

About the Association

Founded in 1987, ARCH is the UK’s leading Colon Hydrotherapy organisation

Hydrotherapists Training

We offer the highest standards of hydrotherapists training

Latest from ARCH Social Media

ARCH Colonics Hydrotherapy Blog

Health tips and updates from ARCH Colonic's Association

Digestive Health Summit – Live and online from the 9th September!

7 September 2017 :   Still trying to figure out how to heal your gut and eliminate the root causes of your digestive issues? You are not alone… “My biggest challenge is to know WHAT to eat. I know to eat unprocessed real food,

ARCH – working for you for 30 years

31 May 2017 : It’s thirty years since a dozen dedicated therapists first got together to form the Colonic International Association, which went on to become ARCH – the Association of Registered Colon Hydrotherapists – in 2001. Today, ARCH has grown into the UK’s

Michael Mosley on the micro biome

23 May 2017 : Recently, ardent healthy eating enthusiast, Michael Moseley, has moved on from his famous five-two fast diet to focus his energy on something ARCH colon hydrotherapists have known for a long time – that a healthy gut microbiome leads to a

Find a therapist

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Find a registered and regulated colon hydrotherapist in your area now.

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