Clear shower blockage Bottle of Endure for preventive maintenance Customer was experiencing a blockage in the master shower on the 2nd floor. Upon arrival I tested the whole bathroom group for a bigger issue, after running water for a long period of time only the shower was. Being affected. I also noticed during my inspection that we had a slow drain in the kitchen sink, I ran cable machine to clear blockage, after multiple attempts we were successful. I ensured the whole house had proper flow.