Your body is a temple, and it sometimes needs a good dusting of the ductwork to make especially devout microbes take their leave. Tend the temple and polish the pipes with today's Groupon: for $65, you get two colon hydrotherapy treatments at Oasis Colonics on Southeast Duke Street (a $130 value). Oasis Colonics will irrigate internal plumbing over two one-hour colon cleansing sessions. Administered by a relaxation-focused therapist, the treatment infuses personal canals with a gentle deluge of warm, filtered water in a comfortable, modest, and professional environment. Sessions help to lower toxicity as congested intestines are purged of excess waste, harmful toxins, and the eloquent but inappropriate graffiti of microbe beat poets. Though Groupon redeemers may leave Oasis Colonic feeling fresher, therapists may recommend multiple visits to achieve complete cleansing.