One of the most common reasons your dishwasher isn’t draining well is on account of a obstruction in the drain line. This drain line, or drain hose, moves water out of the dishwasher tub after a cycle is completed. If the drain line is obstructed, water won’t flow out of the tub. Contact the A1 Chesney Service Experts pros at 587-315-5271 for plumbing services in Calgary.