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Can You Store Pet Food Using Mylar Bags for 25 Years?

April 5, 2026

Quick Answer

Yes, Mylar bags can store pet food for 25 years, but proper implementation, sealing, and storage are crucial to maintain food quality and longevity.

Proper Sealing and Storage Techniques

Mylar bags are a great option for storing pet food due to their airtight properties, which prevent moisture and pests from contaminating the food. To ensure the longevity of stored pet food, it’s essential to use a suitable Mylar bag sealing method. We recommend using a heat sealer or a high-quality Mylar bag sealer to create a tight seal. It’s also crucial to use a sufficient oxygen absorber, such as silica gel, to remove any remaining oxygen within the bag, which can cause food degradation.

Shelf Life and Storage Conditions

Proper storage conditions significantly impact the shelf life of pet food stored in Mylar bags. Store the bags in a cool, dry place with a consistent temperature between 50°F and 70°F (10°C and 21°C). Avoid storing the bags near direct sunlight, moisture, or heat sources. Additionally, ensure the bags are off the floor to prevent pest infestation and moisture accumulation.

Oxygen Absorbers and Shelf Life

The amount of oxygen absorbed by the Mylar bag can significantly impact the shelf life of the stored pet food. A general rule of thumb is to use 1-2% of the total weight of the food as an oxygen absorber. For example, if you’re storing 100 pounds of pet food, you’ll need 1-2 pounds of oxygen absorbers. Always follow the manufacturer’s instructions for the specific oxygen absorber product you’re using, and ensure the recommended amount is used to achieve optimal results.

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