Introduction
The VOBAGA Sourdough Starter Warmer is designed to provide a consistent and controlled temperature environment for your sourdough starter. This device helps maintain optimal yeast activity, which is crucial for successful bread baking, especially in cooler conditions. It features adjustable temperature settings, a programmable timer, and an automatic shut-off function for convenience and safety.

Image: The VOBAGA Sourdough Starter Warmer with a jar of sourdough, illustrating its use in a kitchen setting.
Safety Instructions
- Read all instructions before using the appliance.
- Do not immerse the warmer unit, cord, or plug in water or other liquids.
- Ensure the power cord is not damaged. Do not operate if the cord or plug is damaged.
- Keep the warmer away from flammable materials.
- Always place the warmer on a stable, flat, heat-resistant surface.
- Unplug the warmer from the outlet when not in use and before cleaning.
- This appliance is for household use only.
- Do not touch hot surfaces. Use caution when handling the warmer during or after operation.
Package Contents
- 1 x VOBAGA Sourdough Starter Warmer Unit
- 1 x Power Cord (integrated)
Product Features
- Efficient Warming: Provides consistent heat to activate and maintain sourdough starter.
- Precision Thermostat: Adjustable temperature range from 70°F to 105°F, with increments of 3 degrees.
- Programmable Timer: Set operation duration from 1 to 12 hours.
- Auto Shut-Off: Automatically turns off after 4 hours by default, or after the set timer duration.
- LED Display: Digital display shows current temperature and remaining time.
- Low Power Consumption: Operates efficiently with only 5W of power.
Setup
- Unpack: Carefully remove the sourdough starter warmer from its packaging.
- Placement: Place the warmer on a clean, dry, flat, and stable surface, away from water sources or heat-sensitive materials.
- Connect Power: Plug the power cord into a standard 120V electrical outlet. The LED display will illuminate.
- Prepare Starter: Place your sourdough starter jar (flat-bottom and thin-wall glass recommended) onto the heating plate of the warmer.
Operating Instructions
Power On/Off
- Press the Power Button (center button with power symbol) to turn the unit on or off.
Setting Temperature
- With the unit powered on, press the Temperature Button (right button with thermometer symbol).
- Each press will cycle through the available temperature settings: 70°F, 73°F, 76°F, 79°F, 82°F, 85°F, 88°F, 91°F, 94°F, 97°F, 100°F, 103°F, 105°F.
- The selected temperature will be displayed on the LED screen. The warmer will begin heating to this temperature.

Image: The control panel of the warmer, highlighting the temperature setting function and LED display.
Setting Timer
- With the unit powered on, press the Timer Button (left button with clock symbol).
- Each press will cycle through the timer settings from 1 hour to 12 hours.
- The default auto shut-off is 4 hours if no timer is explicitly set.
- The selected time will be displayed on the LED screen. The unit will operate for the set duration and then automatically turn off.

Image: The warmer in use, demonstrating the effect of warming on sourdough starter over time.
Tips for Best Results
- For optimal warming, cover your sourdough jar with a lid or cloth.
- Use a flat-bottom, thin-walled glass jar for efficient heat transfer.
Maintenance
- Cleaning: Always unplug the warmer before cleaning. Wipe the surface of the warmer with a soft, damp cloth. Do not use abrasive cleaners or immerse the unit in water.
- Storage: Store the warmer in a cool, dry place when not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Warmer does not turn on. | No power supply. | Ensure the power cord is securely plugged into a working outlet. |
| Warmer does not reach set temperature or heats slowly. | Ambient room temperature is too low; jar not covered; jar material is too thick. | Ensure the room is not excessively cold. Cover the sourdough jar with a lid or cloth. Use a flat-bottom, thin-walled glass jar for better heat transfer. |
| Warmer turns off unexpectedly. | Timer has expired; unit malfunction. | Check the timer setting. If the issue persists and the timer is not set to expire, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | VOB-130N |
| Temperature Range | 70°F - 105°F (3°F increments) |
| Timer Settings | 1 - 12 hours |
| Default Auto Shut-Off | 4 hours |
| Power Consumption | 5W |
| Input Voltage | 120V |
| Material | Plastic, Metal heating element |
| Color | White |
| Item Weight | 13.4 ounces |
| Package Dimensions | 8.54 x 5.75 x 1.42 inches |

Image: Product dimensions of the VOBAGA Sourdough Starter Warmer.
Warranty Information
This product comes with a limited warranty. Please refer to the product packaging or contact VOBAGA customer support for specific warranty terms and conditions.
Customer Support
For any questions, technical assistance, or warranty claims, please contact VOBAGA customer support through the retailer's platform or the official VOBAGA website. Please have your model number (VOB-130N) and purchase date available when contacting support.