Customer was experiencing a slow drain in bathroom sink in half bath next to kitchen. Customer also had concerns of a weird smell potentially coming the drains. Tested multiple fixtures, bathroom sink is the only sink being affected. There were no leaks in the house that could contribute to smell. Cleared blockage in bathroom sink. Took apart pTrap and clean out drain, removed sink buildup. Bottle of endure for preventative maintenance. Endure to help reduce any smells coming from drains.