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Alum (potassium aluminum sulfate) is a food additive that is ideal for pickling and canning. It helps create crisp pickled fruits or vegetables. Wondering what exactly alum is used for? This cooking essential is a crystalline powder that helps keep fruits and vegetables firm and crispy when cooking. Try adding a bit of alum when pickling for that perfect crunch. Dissolve alum in water using amounts specified in your recipe. Soak produce in the alum solution according to the specified time. Drain and discard the solution. Rinse the produce well then continue with pickling and canning process.
Frequently Asked Questions
- Q: What is McCormick Alum made of? A: McCormick Alum is made from potassium aluminum sulfate. This ingredient is a common food additive used primarily for pickling and canning.
- Q: How big is each package of McCormick Alum? A: Each package contains one point nine ounces of alum, and it comes in a pack of six. This size is ideal for home canning and pickling projects.
- Q: Is McCormick Alum non-GMO? A: Yes, McCormick Alum is non-GMO. This means it is made without genetically modified organisms, ensuring a more natural product.
- Q: How do I use McCormick Alum for pickling? A: To use McCormick Alum for pickling, dissolve it in water according to your recipe. Soak the fruits or vegetables in the solution for the specified time before draining and rinsing.
- Q: Can I use McCormick Alum for canning other than pickles? A: Yes, McCormick Alum can be used for canning various fruits and vegetables. It helps maintain firmness and crispness during the canning process.
- Q: How do I store McCormick Alum after opening? A: Store McCormick Alum in a cool, dry place after opening. Keep the lid tightly sealed to maintain its effectiveness and prevent moisture absorption.
- Q: Is McCormick Alum safe for home canning? A: Yes, McCormick Alum is safe for home canning. It is widely used and recommended for its effectiveness in keeping pickled items crisp.
- Q: How long does McCormick Alum last once opened? A: McCormick Alum can last indefinitely if stored properly. Keep it in a cool, dry place to ensure its longevity.
- Q: What fruits or vegetables work best with McCormick Alum? A: McCormick Alum works best with cucumbers, green beans, and watermelon rind for pickling. These items benefit greatly from the crisping effect of alum.
- Q: Can McCormick Alum be used in recipes other than pickling? A: Yes, McCormick Alum can also be used in recipes that require a firming agent. It can help maintain texture in various dishes.
- Q: How do I know if my pickles are safe after using alum? A: If you follow proper canning procedures and recipes, your pickles should be safe. Always check for signs of spoilage before consuming.
- Q: Can I use McCormick Alum in baking? A: No, McCormick Alum is not typically used in baking. It is primarily intended for pickling and canning purposes.
- Q: Is there a specific amount of alum I should use for pickling? A: Yes, the amount of alum varies by recipe, but typically, one teaspoon per quart of water is recommended. Always refer to your specific recipe for best results.
- Q: Is McCormick Alum gluten-free? A: Yes, McCormick Alum is gluten-free. It does not contain any gluten or wheat-derived ingredients.
- Q: Where is McCormick Alum manufactured? A: McCormick Alum is manufactured by McCormick & Company, Inc., a well-known company in the food industry.

