Open Farm · Pet Food Bags
Open Farm Ancient Grains Dry Dog Food
Lower concern for dry dog food in standard paper packaging, but no PFAS disclosure from brand.
Open Farm's Ancient Grains dry dog food uses standard paper/cardboard packaging, which typically does not require intentional PFAS coatings for shelf-stable dry goods.
Shop Open Farm on Amazon →Material
paper/cardboard bag
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
food packaging is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Open Farm Ancient Grains comes in a paper/cardboard bag, the industry standard for dry pet food. Paper bags for dry goods present minimal leaching risk because kibble has no moisture to extract chemicals, and cardboard does not contact food directly in typical storage. The primary exposure route would be dust or residue on outer surfaces, which is negligible for a sealed dry product.
The brand's record and disclosure
Open Farm (owned by Petropics) markets itself as a natural, non-GMO pet food brand but has not published transparent PFAS or packaging chemical disclosures as of publicly available information. The brand does not appear in major recall databases for chemical contamination in the past 5 years. No third-party certifications (e.g., NSF, Clean Label Project) are evident on labeling, limiting independent verification of non-food hazard claims.
How it compares in its category
Dry pet foods in paper bags are among the lowest-risk packaged pet products because kibble stability does not require barrier coatings that typically contain PFAS. Premium brands like Orijen and Acana use similar paper packaging without major disclosed issues. Open Farm sits in the mid-premium segment; comparable products from larger manufacturers (e.g., Hill's Science Diet) have no higher safety profile based on packaging material alone.
If you buy it
Store the bag in a cool, dry place and reseal with a clip or airtight container to prevent moisture ingress and preserve kibble quality; do not use if the bag shows water damage or mold. Check the feed date and replace within 6 months of opening to minimize oxidation of fats. No special heating or preparation is involved, so material degradation from temperature is not a concern. Wash your hands after handling to avoid any dust inhalation or transfer to face.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Uncontrolled PFAS in paper bag coating (if present)
Paper/cardboard bags for dry food may have water-resistant coatings containing legacy or replacement PFAS compounds. Open Farm has not disclosed barrier chemistry, leaving this unverified. Risk to the dog via kibble is minimal because dry food does not leach coatings; human handling of the bag poses theoretical skin/inhalation exposure to dust.
Mold or bacterial contamination from paper bag moisture failure
Paper bags are breathable and can permit moisture intrusion if stored in humid conditions, risking mold or bacterial growth on kibble. This is a storage management issue, not a manufacturing defect, but bag design and sealing integrity vary by production batch.
Ink or printing compounds on exterior cardboard
Packaging inks are regulated in the US and EU, and no recalls or warnings for Open Farm branding inks are on record. Minimal risk of migration because inks are on the outer surface away from food contact.
Aflatoxin or mycotoxin contamination (ingredient risk, not packaging)
Ancient grains (e.g., spelt, lentils) can be prone to mycotoxin contamination if sourced or stored improperly, but this is a supply-chain and formulation issue independent of bag material. Open Farm has not disclosed HACCP protocols or third-party toxin testing. No product recalls for mycotoxins are on public record.
BPA or phthalates from bag adhesives or lamination
Modern paper bags use water-based or solvent-free adhesives; BPA and phthalates are not typical in cardboard manufacturing. No product-specific warnings exist for Open Farm packaging.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
More pet food bags grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.