This document provides information and instructions for performing a bowel wash or colonic lavage procedure. It defines bowel wash as washing out the colon with large quantities of solution. It lists purposes such as preparing for exams or surgery, relieving inflammation, and cleaning the colon. Contraindications and general instructions are outlined. The document describes methods, suitable solutions, temperature considerations, preliminary assessments, patient preparation, equipment, and the step-by-step procedure for performing a bowel wash. Post-procedure care and references are also included.