Essence of Harmony Location & Contact Info Essence of Harmony is a Wellness and Colon Therapy Centre located in downtown Sarnia, just south of the 402 in the Royal Lepage building on Christina Street. Email Us Name* Email Address* Mobile Phone NumberPreferred Method of Contact Email Text Mobile Number Message Contact Info Address: 546 Christina Street North, Unit 605 Sarnia, Ontario N7T 5W6 Phone: 519.933.7719