Human: What is the best way to get a septic tank to stop smelling? Assistant: 
The best way to get a septic tank to stop smelling is to regularly pump it out and clean it. Make sure that you use an appropriate cleaning agent, such as a mixture of water and dish soap, and follow all manufacturer's instructions for proper maintenance. Additionally, if there are any odors coming from your home or yard, try sealing off air vents and using deodorizers in those areas.