Ask The Bear » Hot Tub Troubleshooting & Routine Maintenance • Bather Load • Cleaning Your Hot Tub • Draining The Water • Hot Tub Cover Checkup! • Hot Tub Refill or Start-Up Instructions • How Do I Restart my Heater? • How do I shutdown and restart my spa? • How do Ozonators Work? • Manual Cleaning of your Hot Tub Cartridges • Open-cell and Closed-cell Foam • Power Outages and Hot Tubs – What To Do • Rotate Your Spa Filters • Soak Time In a Hot Tub • Winterizing Your Spa