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Frequently Asked Questions

Q. Baking powder vs. baking soda - What's the difference?
A. Baking soda is pure bicarbonate of soda also known as sodium bicarbonate it is an alkaline ingredient, and when mixed with acidic ingredients, it reacts and releases bubbles of carbon dioxide. It also has household uses.
Baking powders are leaveners used for cooking. They are made up of sodium bicarbonate (baking soda); an acid salt which reacts with moisture or heat, or both - such as tartaric acid, mono-calcium or combination of acid salts; and cornstarch (an inert filler used to keep ingredients separated).

Q. Where can I find your products?
A. Clabber Girl and Rumford brands baking powder are available nationwide. If the brand is not avaialble in your local grocery store, ask the store manager if he/she can get it for you. Davis brand baking powder is located in Northeastern states and KC Baking Powder is popular in the Southwest. For our other products you may wish to send an email requesting specific location. All of our products are available at our online store.

Q. What is double acting baking powder?
A. Double acting means that the leavening reaction occurs twice: once when moisture is applied and again when heat is applied while cooking. All consumer sized baking powders have been double acting for many years.

Q. What does the code mean on the bottom of your can?
A. There should be an expiration date with month and year; additionally, the four or five digit code is the production date. For example, code #08225 would translate as the year 2008, the 225th day of the year.

Q. How do I store my baking powder, baking soda or corn starch? Can I refrigerate?
A. Baking powder should be stored in a dry cupboard away from heat and excess moisture. You should only measure with a dry utensil and replace the lid promptly after each use. Storage in a refrigerator is not recommended, as the condensation that can accumulate will make the powder react in the can, rendering it useless.

Q. How can I tell if my baking powder is still good?
A. You should stir up the powder to see if there are any clumps, or if it has hardened; this is an indication that moisture has mixed with the powder and caused a reaction. If it stirs up nice and fluffy, it should be good. Also, you can place a teaspoon of the powder in a glass of tepid water to see if it reacts.

Q. Are your products gluten-free?
A. Here is a list of our gluten-free products:

  • Clabber Girl Baking Powder
  • Rumford Baking Powder
  • Davis Baking Powder
  • KC Baking Powder
  • Hearth Club Baking Powder
  • Royal Baking Powder

Q. What is your Allergen Statement?
A. Any and all baking powders produced by the Clabber Girl Corporation do not contain any spices, flavors or colorings. They do not contain any of the following commonly recognized sources of allergenic responses: milk, eggs, fish, crustacean, mollusks, tree nuts, wheat, barley, rye, peanuts, and soybeans.

Examples of the food products most commonly known to cause allergic reactions as stated above, are not present in any of the ingredients which are in any of the baking powder formulas produced by the Clabber Girl Corporation, corn starch, bicarbonate of soda, sodium aluminum sulfate, acid phosphate of calcium.

Q. Are your products Kosher Certified?
A. Download a Kosher Certificate that lists all of our Kosher Certified Products.