PFAS65/ 100Good
Overall59/ 100Good
Big Green Egg 14" Ceramic Natural Pizza Stone LG-2XL

· Pizza Stones & Baking Surfaces

Big Green Egg 14" Ceramic Natural Pizza Stone LG-2XL

Good

No coating of concern recorded, and no PFAS statement from the brand.

Verdict · SkipNatural ceramic pizza stone with no coatings; no hazards on record. Standard usage care required for longevity.

The brand has published no PFAS statement for this product that we could find.

The better-graded swap

Deluxe Square Pizza Stone with Rack

Deluxe Square Pizza Stone with Rack

90/100 safety

90Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Ceramic (natural clay/stone body, no added coatings)

Lab data

No public lab test

Is Big Green Egg 14" Ceramic Natural Pizza non-toxic? What it is made of

This product is a solid ceramic body made from natural clay and stone, fired at high temperature with no surface coatings, glazes, or enamel applied. The material itself is chemically inert when properly fired and does not leach contaminants during normal baking use. Ceramic pizza stones rely on their porous structure to absorb and distribute heat evenly, not on any chemical additive.

What’s concerning

♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
🫧

Thermal stress cracking and microparticle release

Ceramic pizza stones are brittle and can crack or spall if subjected to rapid temperature changes or thermal shock. Spalling may release small ceramic particles into food, though not toxic; the risk is mechanical damage and loss of function rather than chemical hazard.

70/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
🧠

Lead

This is an unglazed, natural ceramic product with no applied surface coatings. No testing data or recalls suggest leaching of heavy metals from the fired clay body itself under normal pizza-baking conditions.

Source, ATSDR ↗
95/ 100
✅

Bacterial or mold growth in porous material

The high-fired, dense ceramic structure does not support microbial growth under typical dry storage. Proper drying after cleaning prevents mold; this is a usage issue, not an inherent material defect.

95/ 100
✅

Contaminant absorption from soil or raw materials

The clay and stone are sourced and fired at high temperature, a process that neutralizes most environmental contaminants. No data suggests unsafe heavy metal levels in unglazed ceramic pizza stones from this brand.

95/ 100

The full breakdown

The brand's record and disclosure

The brand is known primarily for non-stick cookware marketed with PFOA-free claims, but does not publish detailed material safety data or third-party certifications specific to this ceramic pizza stone. No recalls or safety complaints are on record for this product. The brand has not issued a public PFAS statement for its full product line, leaving some transparency gaps despite the PFAS-free positioning in cookware.

How it compares in its category

Natural ceramic pizza stones are considered the baseline option in this category and carry the lowest chemical hazard profile compared to coated metal alternatives or glazed ceramic surfaces. Unlike some imported ceramic bakeware, there are no established concerns about lead or cadmium contamination in unglazed, naturally fired pizza stones from this brand. This product sits at the lower concern end of the pizza stone spectrum.

If you buy it

Seasoning is not required for unglazed ceramic. Preheat gradually to avoid thermal shock cracking, and allow the stone to cool fully before cleaning to prevent damage. Inspect periodically for visible cracks or spalling; a damaged stone should be replaced. Hand-wash only; avoid sudden temperature changes and dishwasher use.

What we don’t know

Basis
Model estimate, 88% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
has made a specific claim

Formulations change between production runs, so check the current label. How we grade.

Better-graded alternatives in Pizza Stones & Baking Surfaces

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

90ExcellentPFAS grade
  • Ceramic (clay-based baking stone)
  • The brand calls it PFAS-free, which we have not verified
  • Glaze degradation and surface leaching

3 hazards checked on this product. See all of them.

Deluxe Square Pizza Stone with Rack

Deluxe Square Pizza Stone with Rack

90ExcellentPFAS grade
  • ceramic or unglazed stone; no nonstick coating
  • The brand calls it PFAS-free, which we have not verified
  • Ceramic or stone cracking and fragmentation

2 hazards checked on this product. See all of them.

Baking Steel The Original Ultra Conductive Pizza Stone

Baking Steel

The Original Ultra Conductive Pizza Stone

75ExcellentPFAS grade
  • carbon steel (bare metal, no coating)
  • We found no PFAS statement from the brand
  • Rust and corrosion

2 hazards checked on this product. See all of them.

More pizza stones & baking surfaces 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.