Brod Taylor SH-100 Sourdough Home Instructions

The Sourdough Home
Heats when it’s too cool. Cools when it’s too hot. Instructions
Model SH-100

Great bread begins with a great starter

When it comes to sourdough starter, temperature is everything. The complex mix of microbes that cause bread to rise – and give your bread that distinctive taste and aroma – are extremely sensitive to temperature. The Sourdough Home provides an easy way to control the temperature of your starter. With degree- by-degree temperature control from 5 – 50°C (41 – 122°F) you can maintain a consistent temperature whether your kitchen is warm or cool, or vary the temperature to control the growth rate, aroma, and taste of your bread.
Ensure your starter is ready to use when you are.

• Adjust the feeding schedule from hours to days, even once a week.
• Vary the temperature to control the aroma and flavor profile of your bread.
• Unlock new possibilities for experimentation with precise control of your starter temperature.

Not just for sourdough starter
With a temperature range from 5-50°C (41 – 122°F) the Sourdough Home is ideal for a wide variety of fermentation or culturing uses: kefir, kimchi, sauerkraut, or yogurt. Also convenient for storing cosmetics or medications.

Safety and Use guidelines

• When changing the temperature setting from cooling to heating (or heating to cooling) more than a 20°C (36°F) difference, first turn off the Sourdough Home and prop the door open for approximately 5 minutes. While this is not absolutely necessary, it will reduce the stress on the electronics and possibly extend the lifetime of the appliance.
• For the most accurate temperature control, use the lower shelf to support containers above the floor of the Sourdough Home.
• The Sourdough Home may be used with any voltage between 100 – 240 VAC, 50-60Hz. Ensure that you use the proper power cord for your power receptacle.
• Do not block the air vents at the rear of the Sourdough Home. Allow several inches (~10cm) behind the unit to provide for adequate airflow.
• For best results, do not place the Sourdough Home in a location with extreme temperature variations. Avoid placing in direct bright sunlight, near heating or cooling vents, radiators, appliances such as counter top ovens or other sources of extreme heat or cold.
• Do not place corrosive or flammable materials inside the Sourdough Home.
• Do not disassemble the product or remove covers. There are no user serviceable components or adjustments inside the unit. Opening the unit will void the warranty.
• If the power cord is damaged or frayed do not use. Contact Brod & Taylor Customer Service for a replacement.
• A small fan in the back of the unit runs when the power is on to maintain proper temperature of the electronics.

Operation and Controls

Power button: Touch **lightly to turn power ON or OFF
Temperature controls: Touch + or — to increase or decrease set temperature by one degree.
Celsius or Fahrenheit display: Touch and hold + and — at the same time for 2 seconds to switch between °C or °F temperature display.
Control Buttons: All three buttons on the Sourdough Home are touch sensitive, like a touchscreen. If your hands are particularly dry or cold, they can feel unresponsive.
Operation: The Sourdough Home uses a solid-state device to both heat and cool. If the set temperature is above room temperature the unit will heat. If the set temperature is below the room temperature the unit will cool. This action is automatic.
Sleep mode: When the unit is on, 30 seconds after touching the controls the display will dim. To make a change to the temperature, touch either + or — once to wake the display, then set the temperature to your preference.
Note on temperature range: The Sourdough Home features a temperature display with 2 digits. The highest temperature that can be set in Fahrenheit mode is 99°F. To reach a higher temperature, change the display to Celsius mode.
The temperature can be set up to 50°C (equivalent to 122°F). If the temperature set point in °C is above the equivalent of 99°F (37°C or higher) and the display mode is changed from °C to °F, the temperature set point will change to 99°F, the highest temperature that can be set in Fahrenheit mode.
Temperature accuracy: The Sourdough Home has been carefully calibrated to operate at typical room temperature of 20-22°C (68-72°F). You can expect the contents to be maintained at a temperature within approximately 1°C (1.8°F) of the temperature setting. While the unit is insulated, large changes in room temperature can influence the internal temperature. If your kitchen is very hot or cold, you may need adjust the temperature setting higher or lower by several degrees.
In order to test the temperature of the Sourdough Home, we recommend using a probe thermometer inserted directly into your starter after it has been in the unit for several hours.
Note: The Sourdough Home should not be left in direct sunlight.
Cooling mode limitation: In cooling mode, the internal temperature can reach approximately 20°C (36°F) below room temperature. 5°C (41°F) can be achieved in a room temperature of 25°C (77°F) or lower.
Time required to warm or cool starter: Because the Sourdough Home is designed as a low power appliance designed for long term storage, it may take many hours to warm or cool the contents to the temperature set point. For best results, if you intend to keep your starter at a cold temperature, feed the starter with cold water. Similarly, if you want the starter warm, feed with warm water.
Condensation: Water condensation may collect inside the Sourdough Home in two situations: cooling below room temperature (especially in humid environments) or warming liquid in uncovered containers. We recommend wiping the interior with a soft cloth or paper towel to keep the inside dry.
Cleaning:** To clean, wipe the outside and inside of the unit with a soft cloth and mild detergent. Do not use abrasive cleaners as surfaces may be scratched.
Take extra caution when cleaning the LCD display.

Specifications

Temperature Range:
5 – 50°C (equivalent to 41 – 122°F)
41 – 99°F

• The highest temperature setting in Fahrenheit display is 99°F because the display only has two digits. To achieve a higher temperature setting, switch to Celsius mode touch and hold + and — at the same time for 2 seconds.
• The minimum temperature may be limited by room (ambient) temperature. The Sourdough Home will cool contents at least 20°C (36°F) below room temperature.

Inside Dimensions:
7.5” (190mm) height – with lower shelf installed
5 1/8” (130mm) width
5.5” (140mm) depth

• Fits a single 1 quart (1 liter) glass jar with lid

Outside Dimensions:
11” (280 mm) height
8” (203 mm) width
10” (250 mm) depth
Voltage compatibility: 100 – 240V, 50 or 60 Hz
Power usage: Cooling mode 38W, Heating mode 30W
Weight: 4.1 lbs, 1.86 kg
Includes: 2 shelves, 1 power cord

Sourdough starter maintenance tips

Sourdough starter is a living colony of yeast and good bacteria. Like any living thing it needs to eat – just flour and water. Feeding your starter the proper ingredients at the right time is the first step in creating great sourdough bread. Using the precise temperature control of the Sourdough Home, you can adjust starter feeding times to meet your schedule.
Growth and health of sourdough starter is extremely sensitive to temperature. Even a few degrees can make the difference between a starter that thrives or struggles. Before the Sourdough Home, most bakers have been limited to two temperatures. Room temperature for growth and the refrigerator for storage. Room temperature can vary greatly from season to season, or day to night, resulting in unpredictable results. Refrigerator storage is too cold for healthy starter.
As starter ferments and grows, it creates CO2 bubbles that cause the mixture to rise in its container. The ideal time to feed starter is when the rise has peaked – all of its food has been consumed – and before it begins to fall again. By using a constant seed ratio (quantity of flour and water) and controlling the temperature, you can control the feeding schedule to hours, days or even a week. Use the guidelines below to get started.
Seed Ratio: This is the ratio of active culture to fresh flour and water. The more active culture used, the faster your starter will grow and peak. For daily maintenance a 1:4:4 ratio will keep your starter thriving without growing too fast.
Example: 10 grams of starter : 40 grams of flour : 40 grams of water
(We recommend always WEIGHING your ingredients).
Sourdough Starter Feeding Schedule

Note: Your starter may vary slightly from these results depending on the flour used and the specifics of your culture.
Don’t put your starter in the refrigerator!
Weekend bakers often face a dilemma with their starter. Leaving it on the counter all week and feeding it every day is troublesome and wastes a lot of flour. An alternative is to put the starter in the refrigerator for the week. Sadly a refrigerator temperature of 38°F (3°C) or lower is too cold for starter. Often the flavorproducing LAB may die. Restoring the starter to health may take several feeding cycles to be ready for great baking. Instead, store the starter in the Sourdough Home at a temperature that requires only one or two feedings during the week. Your starter will stay healthy and ready to go when you are.
Effect of temperature on flavor and aroma
Changing the temperature of sourdough starter affects more than just the feeding schedule. Yeasts and LAB (lactic acid bacteria) in the starter grow best at different temperatures. By maintaining your starter at different temperatures, you can control the growth of different elements of the culture that changes the flavor and aroma of bread. Generally, cooler temperatures favor less sour taste, and warmer temperatures, more sour. Use the temperature control of the Sourdough Home to experiment with flavor.
Prepare starter for baking
In preparation for baking day, you will use your starter to build a special (often larger) batch of starter to use in your bread. The exact ingredients and quantities will depend on your bread recipe. Often you will want this batch of starter to ferment and grow more quickly. 77°F (25°C) is a good starting point to more quickly prepare an active starter for baking.
For more information and instructions, visit: https://brodandtaylor.com /sourdough-home

Berkshire Innovations, Inc.
P.O. Box 712
Williamstown, MA 01267 USA
contact@brodandtaylor.com
www.brodandtaylor.com
Copyright 2022
All Rights Reserved
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brodandtaylor.com

References

• Brod & Taylor - Professional quality tools for the home chef
• Brod & Taylor - Professional quality tools for the home chef
• Brod & Taylor | Faltbarer Dörrautomat | Faltbarer Gärautomat & Schongarer
• How to Use the Sourdough Home | Brod & Taylor

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