Disclosure: Some links in this article are affiliate links. We may earn a commission on qualifying purchases at no extra cost to you.
The best pizza oven fuel is not a brand, a flame style or a smoke profile — it is whatever your oven's manual actually supports. A pellet-fed Ooni Fyra 12 will not run on 8-inch oak splits from a Karu 2 Pro, and a propane Blackstone Portable Pizza Oven has no solid-fuel tray at all. If you start with compatibility instead of flavor marketing, the whole wood-versus-gas debate becomes much easier to navigate. Our separate gas vs wood-fired pizza oven comparison covers oven architecture and ownership lifestyle in depth; this guide is different.
Here, the question is concrete: which fuel product should you actually buy for the oven you own or are about to buy? That means splitting logs from chunks from chips from pellets, separating lump charcoal from briquettes, and treating propane and natural gas as two distinct decisions rather than one generic "gas" option.
The strongest real-world pattern from owner communities is that fuel choice changes your workflow far more than it changes the taste of a 60–90 second Neapolitan pizza. Wood is more hands-on, charcoal benefits from a two-fuel strategy, pellets demand dry fuel and gravity feed, and propane wins when you are cooking several pizzas back to back. Flavor differences become more likely on longer cooks — New York-style pies, roasting, bread or meat — than on a fast Neapolitan launch.
This roundup ranks fuels by job. It covers ten options: branded and budget pellets, ready-cut oak logs, a mixed oak pack, lump charcoal, briquettes, propane, natural gas and a smoking-chip adjunct that should never be mistaken for primary pizza-oven firewood.
Quick Picks: Best Pizza Oven Fuel by Job
| Fuel type | Best for | Works in |
|---|---|---|
| Ooni Premium Hardwood Pellets | Safest pellet choice for Ooni Fyra | Ooni Fyra 12, Ooni 3 |
| Camp Chef Competition Blend | Budget hardwood pellet alternative | Pellet grills/smokers; Fyra only as owner practice |
| Ooni 5-inch Oak Logs | Correct-sized wood for compact Karu ovens | Ooni Karu 12, Karu 12G, Karu 2 |
| Ooni Premium Assorted Oak Pack | Logs + chunks for larger Karu models | Ooni Karu 16, Karu 2 Pro |
| Old Potters 6-inch Mini Pizza Logs | Generic ready-cut oak for small wood ovens | Most compact wood ovens; verify tray size |
| Jealous Devil Chunx XL Lump Charcoal | Stable long-lived coal bed | Ooni Karu family, Gozney Dome Gen 2/XL Gen 2 |
| Kingsford Original Briquettes | Budget charcoal only where permitted | Grill-mounted pizza setups; verify oven manual |
| Standard 20-lb Propane Refill/Exchange | Easiest consistent batch cooking | Ooni gas models, Gozney Arc/Dome gas variants, Blackstone Portable |
| Residential Natural Gas Line | Permanent outdoor pizza station | Select Ooni and Gozney models only |
| Camerons Superfine Smoking Chips | Smoke adjunct, not primary fuel | Smoker boxes/stovetop smokers, not pizza oven fuel trays |
What Makes a Great Pizza Oven Fuel?
Before ranking individual products, it helps to separate four variables that tend to get blurred in fuel discussions.
Compatibility. The first screen is whether the fuel is officially supported by your oven. Ooni divides its lineup cleanly: Fyra 12 is pellet-only, Karu models run wood and charcoal natively with optional gas, and Koda models are gas. Gozney is similarly model-specific — Dome Gen 2 and Dome XL Gen 2 accept wood, charcoal and propane, while the Arc family is propane. Blackstone's current Portable Pizza Oven is propane-powered. Never infer charcoal-briquette or natural-gas compatibility from a vague "multi-fuel" label; verify the manual.
Fuel form. Pellets, chips, chunks and logs are not interchangeable. Pellets are compressed standardized fuel for gravity-fed systems like the Fyra. Chips and shavings are rapid-smoking material, generally an aroma adjunct rather than a heat source. Chunks are intermediate pieces for topping up a solid-fuel fire. Logs and splits are the sustained live-fire fuel. Ooni's own product range demonstrates the distinction clearly: its Assorted Oak Pack deliberately combines 4-inch chunks, 5-inch logs and 8-inch logs to build and then maintain a fire in the larger Karu 16 and Karu 2 Pro.
Moisture and size. Ooni warns that pellets absorb atmospheric moisture and degrade, and its current wood products are kiln-dried. The 5-inch oak logs are FSC-certified and kiln-dried; the Assorted Oak Pack targets 15–20% moisture. Gozney's purpose-cut Dome wood measures roughly 6.25 × 1.87 × 1 inches and is 100% Appalachian hardwood. Damp fuel is the most common owner-reported cause of poor ignition, weak temperatures and excess soot — far more than brand choice.
Burn behavior. A great pizza oven fuel does two jobs: it keeps a stable heat floor under the stone, and, in a wood or multi-fuel oven, it produces enough live flame to finish the top of the pie. This is why many Karu owners do not choose between charcoal and wood — they run lump charcoal as the coal bed, then add small hardwood pieces shortly before launch. The fuel's ability to recover between pizzas matters more than its maximum temperature rating. For a deeper look at how stone temperature, preheat and recovery interact, see our pizza oven temperature guide.
1. Ooni Premium Hardwood Pellets — Best Ooni Pellet Fuel
These are the safest pellets for an Ooni Fyra 12 or Ooni 3 because they are the only pellets in this roundup with official Ooni compatibility documentation for those ovens. The U.S. formulation is 100% oak, food-safe, and sized for the Fyra's gravity-fed hopper.
Specs & Features
- 20 lb bag; pellets approximately 1/4-inch diameter × 1-inch long (6 × 25 mm)
- Rated heat output: 8,500 BTU/lb
- Moisture content below 10%
- Ooni estimates one bag provides 8–12 hours of continuous cooking
- U.S. product is 100% oak from U.S. forests
- UK/EU formulation differs: approved softwood pellets, so hardwood-only claims do not apply across all markets
Premium branded pellet; the safe default for Fyra owners.
Amazon link: Check Price on Amazon
Pros
- Exact pellet dimensions documented for Fyra's gravity feed
- Low moisture and consistent oak formulation
- Official Ooni fuel compatibility removes guesswork
Cons
- Pellets absorb atmospheric moisture; damp storage degrades performance
- Premium positioning compared with generic cooking pellets
- Amazon availability can fluctuate
Verdict: If you own a Fyra 12 or Ooni 3 and want the lowest-friction, manufacturer-documented pellet choice, this is the one to buy.
Perfect for: Ooni Fyra and Ooni 3 owners who want a ready-to-use pellet bag and do not want to troubleshoot third-party feed behavior.
2. Camp Chef Competition Blend Hardwood Pellets — Best Budget Pellet Alternative
Camp Chef's Competition Blend is a mainstream all-hardwood cooking pellet made from maple, hickory and cherry. It is not an Ooni-branded product, and Ooni has not published explicit approval for this specific SKU in the Fyra. Treat it as a widely used commodity pellet alternative, not an officially cross-brand-endorsed Fyra fuel.
Specs & Features
- 20 lb bag
- 100% hardwood, kiln-dried for low moisture
- No added oils, chemicals or binders
- Blend of maple, hickory and cherry
- Positioned for pellet grills, smokers and barbecue; pizza/baking is among intended uses
Budget-to-mid commodity hardwood pellet.
Amazon link: Check Price on Amazon
Pros
- Strong availability and larger retail footprint
- All-hardwood composition with no fillers
- More economical per pound than branded Ooni pellets for volume use
Cons
- No official Ooni approval for Fyra use
- Flavor and burn consistency vary less by brand than by moisture exposure
- Not a substitute for logs or chunks in Karu or Gozney wood chambers
Verdict: A sensible commodity pellet if local availability or price matters and you already understand Fyra's feed behavior. Keep it dry and expect no performance difference from the maple-hickory-cherry blend on fast pizza bakes.
Perfect for: Fyra owners comfortable with third-party cooking pellets and pellet-grill users who want a single bag for both smoker and pizza duty.
3. Ooni Premium 5-inch Oak Logs — Best Branded Mini Logs for Compact Karu Ovens
Ooni's 5-inch oak logs solve the biggest beginner mistake in compact Karu ovens: oversized wood that smolders, soots and kills the rolling flame. These are kiln-dried, FSC-certified oak pieces cut specifically for Karu 12, Karu 12G and Karu 2.
Specs & Features
- 100% oak hardwood, sustainably sourced
- Kiln-dried and FSC-certified
- No chemicals, artificial aromas or additives
- Average piece length: 5 inches / 13 cm
- Ooni recommends keeping 5–6 pieces burning simultaneously for consistent heat
- Currently sold in the U.S. as a two-pack, not a single box
Premium branded mini logs sized for compact Ooni Karu ovens.
Amazon link: Shop Ooni Oak Logs on Amazon
Pros
- Correct cross-section and length reduce soot and flame-out risk
- Kiln-dried moisture content supports clean burn
- FSC certification and no additives
Cons
- Branded firewood is expensive relative to locally sourced kiln-dried hardwood
- No verified Amazon ASIN; direct Ooni stock is the stronger source
- Not sized for larger Karu 16/Karu 2 Pro fuel trays
Verdict: The most convenient way to get correctly sized oak into a compact Karu without cutting your own splits. If you already cut local kiln-dried hardwood into similar small pieces, this product is a convenience purchase, not a necessity.
Perfect for: New Karu 12, Karu 12G or Karu 2 owners who want a turnkey, correctly sized wood supply for their first wood-fired cooks.
4. Ooni Premium Assorted Oak Pack — Best Log and Chunk Mix for Larger Karu Ovens
This pack is the clearest official Ooni product for understanding the difference between logs and chunks. Designed for the Karu 16 and Karu 2 Pro, it combines three piece sizes to build a fire, maintain a coal bed and generate a strong top flame.
Specs & Features
- Designed specifically for Ooni Karu 16 and Karu 2 Pro
- Ooni states the pieces will not fit Karu 12 or Karu 12G
- Sustainably sourced hardwood oak
- Kiln-dried to approximately 15–20% moisture
- Contains 8 natural firestarters
- Mix: approximately 25% 5-inch oak logs, 25% 4-inch oak chunks, 50% 8-inch oak logs
- Box dimensions: 14.4 × 10.3 × 10.8 inches
Premium branded wood pack for larger Ooni Karu ovens.
Amazon link: Shop Ooni Assorted Oak Pack on Amazon
Pros
- Three piece sizes match the real two-phase fire technique
- Includes firestarters and documented moisture range
- Eliminates the guesswork of bulk-buying the wrong log length
Cons
- Premium price for branded firewood
- Explicitly incompatible with compact Karu 12/12G models
- No verified Amazon ASIN; direct Ooni availability is primary
Verdict: If you own a Karu 16 or Karu 2 Pro and want the official fuel that actually fits the tray, this is the best documented option.
Perfect for: Karu 16 and Karu 2 Pro owners who want a ready-to-use mix of chunks and logs, especially for multi-pizza sessions.
5. Old Potters 6-inch Mini Pizza Logs — Best Generic Ready-Cut Oak
Old Potters makes purpose-cut mini pizza-oven cooking wood in oak, hickory and cherry. The oak version is the safest pick here because it is neutral and closely matches the hardwood species Ooni and Gozney recommend. It is not officially certified by either brand, so check your fuel tray dimensions before bulk-buying.
Specs & Features
- Purpose-made compact pizza-oven cooking wood
- Oak, hickory and cherry options; oak is the most versatile
- USDA-certified kiln-dried
- Approximate piece size: 6 inches × 1–1.5 inches
- Made in the USA
- Researched Amazon SKU is approximately 12 lb / 790 cubic inches
Mid-range generic ready-cut pizza-oven logs.
Amazon link: Check Price on Amazon
Pros
- Correct small cross-section for compact wood ovens
- USDA-certified kiln-dried hardwood
- Oak species matches manufacturer hardwood guidance
Cons
- Not officially certified by Ooni or Gozney
- Amazon featured-offer availability can be limited
- You still need to verify piece size against your fuel tray
Verdict: A strong generic oak option for owners who want ready-cut mini logs without paying a branded premium. The 6-inch length works in many compact trays, but the requirement remains dry, untreated hardwood in small pieces.
Perfect for: Value-focused owners of compact wood-burning ovens who will confirm fuel-tray clearance and prefer a neutral oak burn.
6. Jealous Devil Chunx XL Lump Charcoal — Best Premium Lump Charcoal
Lump charcoal is the heat foundation in many high-heat multi-fuel ovens, and Jealous Devil Chunx XL is a dense, low-ash candidate for that job. Ooni's Karu family explicitly supports quality lump charcoal, and Gozney Dome Gen 2 and Dome XL Gen 2 list charcoal as an official fuel.
Specs & Features
- Dense South American hardwood
- 35 lb bag
- No chemical fillers
- Low-ash formulation
- Manufacturer maximum temperature over 1,100°F
- Claimed burn duration: over 4 hours open-fire; over 20 hours low-oxygen
- Ready to cook in approximately 15 minutes
- Waterproof/dust-resistant resealable bag
Premium lump charcoal; best stable coal-bed fuel.
Amazon link: Check Price on Amazon
Pros
- Dense hardwood pieces build a long-lived coal bed
- Low ash helps keep compact fuel trays clean
- No fillers or chemicals
Cons
- Large chunks may need breaking down for compact pizza-oven trays
- Amazon featured-offer availability can be limited
- Lump alone may not produce the strong live flame needed to finish a Neapolitan top
Verdict: The right premium lump for Karu and Dome owners who run a two-fuel method — charcoal bed for stability, hardwood for top flame. Expect to pair it with small wood pieces rather than relying on charcoal alone.
Perfect for: Ooni Karu and Gozney Dome Gen 2/XL Gen 2 owners cooking multiple pizzas and wanting better recovery between launches.
7. Kingsford Original Charcoal Briquettes — Best Budget Briquette, With a Strong Caveat
Briquettes are not interchangeable with lump charcoal, and "charcoal-compatible" does not automatically mean "briquette-approved." Ooni's solid-fuel guidance emphasizes lump charcoal for Karu ovens, and Gozney's current documentation does not specifically endorse this Kingsford SKU. This is a conditional budget option, not the default charcoal recommendation for Ooni or Gozney ovens.
Specs & Features
- 100% natural ingredients and real American wood
- Made in the USA with North American ingredients
- Sure Fire Grooves for easier ignition
- Ready in approximately 15 minutes
- Available in 4, 8, 12 and 16 lb formats
- Moderate ash production, consistent high- and low-temperature grilling
Budget briquette for grill-mounted pizza setups and oven configurations that explicitly permit briquettes.
Amazon link: Check Price on Amazon
Pros
- Standardized size and predictable burn
- Low cost and wide retail availability
- Good fit for kettle-mounted pizza attachments where briquettes are already the user's primary fuel
Cons
- More ash than lump, which can be a burden in compact fuel trays
- Not the preferred charcoal form for Ooni Karu solid-fuel guidance
- Does not produce the rolling flame of hardwood pieces by itself
Verdict: Reasonable for a kettle-mounted pizza setup where you already burn Kingsford and add dry wood chunks for top heat. For dedicated Ooni or Gozney multi-fuel ovens, lump charcoal remains the safer charcoal choice.
Perfect for: Grill owners using a kettle pizza attachment who want inexpensive, predictable charcoal and already understand their grill's airflow.
8. Standard 20-lb Propane Refill/Exchange — Best Overall Fuel for Ease and Batch Cooking
Propane is not a branded pizza accessory, but it is the fuel that wins most batch-cooking and family pizza-night debates. A standard 20-lb cylinder refill or exchange gives you push-button ignition, fine flame control and predictable recovery between pizzas — no wood cutting, no ash removal, no fire rebuild.
Compatibility
- Ooni gas ovens are propane-designed; compatible Karu models can use propane through the correct Ooni gas burner
- Gozney Arc, Arc XL and current gas models use propane; Dome Gen 2 variants support propane alongside wood and charcoal
- Blackstone Portable Pizza Oven model 6961 is explicitly propane-powered
- Ooni gas ovens are outdoor-use products
Best fuel for convenience, consistency and multi-pizza output.
Amazon link: Shop propane cylinder hardware on Amazon
Pros
- Fast, repeatable ignition and flame adjustment
- No fire management between pizzas
- Ideal for cooking for groups or longer sessions
Cons
- Requires local refill or exchange; fuel itself is not a stable shippable Amazon product
- Propane-only ovens cannot be field-converted to natural gas unless the manufacturer explicitly supports it
- Less flame character and aroma than solid-fuel cooking
Verdict: For most owners cooking more than one or two pizzas at a time, propane is the pragmatic default. The convenience advantage is far less contested in owner discussions than the flavor argument.
Perfect for: Owners who want consistent pizza-night throughput, Ooni Koda/Gozney Arc/Blackstone gas oven users, and anyone who stores their oven between uses.
9. Residential Natural Gas Line Service — Best Permanent-Installation Fuel
Natural gas eliminates tank refills and swaps entirely, but it only makes sense for a fixed outdoor pizza station near an installed utility connection. Compatibility is strictly model-specific, and installation cost plus delivered gas price vary substantially by utility.
Compatibility
- Ooni U.S. natural-gas-compatible models: Koda 16, Koda 2 Pro, Koda 2 Max, Karu 16 and Karu 2 Pro
- Ooni propane-only / not convertible: Koda 12, Koda 2, Karu 12 and Karu 2
- Gozney U.S. currently lists natural-gas variants of Dome Gen 2 and Dome XL Gen 2
- Gozney Arc XL remains propane in the current range
- No current official evidence confirms natural-gas compatibility for the Blackstone Portable Pizza Oven; it is propane-powered
Premium fixed-installation setup with low day-to-day friction.
Amazon link: Shop natural-gas conversion hardware on Amazon
Pros
- Continuous supply with no tank exchange
- No propane cylinder storage or refill errand
- Ideal for a permanent outdoor kitchen
Cons
- Loss of portability; requires a fixed gas line
- Installation and conversion costs vary by utility and site
- Only supported on specific Ooni and Gozney models
Verdict: Choose natural gas if you are building a dedicated outdoor cooking zone and your oven is on the short list of officially compatible models. Otherwise propane remains the safer, more portable choice.
Perfect for: Permanent backyard pizza station owners with compatible Ooni Koda 16/Koda 2 Pro/Koda 2 Max, Karu 16/Karu 2 Pro or Gozney Dome Gen 2/XL Gen 2 models.
10. Camerons Bourbon Soaked Oak Superfine Smoking Chips — Best Smoke Adjunct, Not a Primary Fuel
Camerons superfine smoking chips are included here to answer a specific search intent: pizza oven wood chips. They are not pizza-oven firewood. They are made for indoor stovetop smoking and smoker boxes, and directly scattering fine chips into an Ooni or Gozney burner or fuel tray is not recommended without explicit manufacturer approval.
Specs & Features
- Superfine smoking chips, specifically made for indoor/stovetop smoking
- 100% natural wood, kiln-dried
- No additives
- Approximately 1.5–2 tablespoons per smoke session
- Manufacturer claims approximately 200 uses per container
- Bourbon-soaked oak is one available flavor
Mid-range niche smoke adjunct; not a pizza-oven heat source.
Amazon link: Check Price on Amazon
Pros
- Fast-smoldering format for smoke generation
- No additives and kiln-dried
- Useful for smoker boxes, stovetop smokers and other approved smoking devices
Cons
- Not a substitute for logs, chunks or pellets in a pizza oven
- For 60–90 second Neapolitan bakes, smoke supplementation may produce little perceptible flavor benefit
- Amazon featured-offer availability can be limited
Verdict: Treat chips as a smoke accessory, not "tiny pizza-oven logs." If you want wood-fired character in a gas oven, the correct answer is usually a separate approved smoker box — and realistic expectations about how much smoke a fast pizza actually absorbs.
Perfect for: Owners who already use smoker boxes or stovetop smokers and want a superfine oak chip for smoke flavor in low-temperature or longer cooks.
Comparison Table
| Fuel | Best role | Key compatibility | Burn behavior |
|---|---|---|---|
| Ooni Premium Hardwood Pellets | Safest pellet for Fyra | Ooni Fyra 12, Ooni 3 | Gravity-fed; needs dry pellets and clear hopper airflow |
| Camp Chef Competition Blend | Budget pellet alternative | Pellet grills/smokers; Fyra only as owner practice | All-hardwood pellets; moisture matters more than brand |
| Ooni 5-inch Oak Logs | Correct-sized wood for compact Karu | Ooni Karu 12, Karu 12G, Karu 2 | Small 5-inch splits; 5–6 pieces for rolling flame |
| Ooni Assorted Oak Pack | Logs + chunks for larger Karu | Ooni Karu 16, Karu 2 Pro only | Mix of 4-inch chunks, 5-inch and 8-inch logs |
| Old Potters 6-inch Mini Logs | Generic ready-cut oak | Compact wood ovens; verify tray | 6-inch × 1–1.5-inch pieces; neutral oak |
| Jealous Devil Chunx XL Lump | Stable coal bed | Ooni Karu, Gozney Dome Gen 2/XL | Long-lived, low-ash coal; pair with hardwood for top flame |
| Kingsford Original Briquettes | Budget briquette, conditional | Grill-mounted pizza setups; verify manual | Predictable burn; more ash; no rolling flame |
| 20-lb Propane Refill/Exchange | Ease and batch cooking | Ooni gas, Gozney Arc/Dome gas, Blackstone Portable | Instant control, fast recovery, no fire management |
| Residential Natural Gas Line | Permanent outdoor station | Select Ooni and Gozney models only | Continuous fuel; no tank management; not portable |
| Camerons Superfine Chips | Smoke adjunct only | Smoker boxes/stovetop smokers | Fast smolder; not a pizza-oven fuel |
Which Pizza Oven Fuel Should You Buy?
Start with compatibility, not flavor. If you own an Ooni Fyra 12, the decision is already made: you need dry, correctly sized pellets, and the safest first bag is Ooni Premium Hardwood Pellets. If you own a compact Karu, buy oak in 5-inch pieces — either Ooni's branded logs or a generic equivalent like Old Potters — and avoid oversized splits that smolder. If you own a Karu 16 or Karu 2 Pro, the Ooni Assorted Oak Pack gives you the chunk-and-log mix those larger trays are designed to burn.
For multi-fuel ovens, consider a two-fuel approach rather than an either/or choice. Many Karu and Dome owners build a stable coal bed with high-quality lump charcoal, then add small hardwood pieces shortly before launch to create the tall rolling flame that finishes the top of the pizza. That method uses Jealous Devil Chunx XL as the foundation and your oak of choice as the flame layer, and it can improve recovery between pizzas.
For batch cooking, propane is the least contested winner. If you are making four, six or ten pizzas in one evening, a gas burner's predictable recovery and fine heat control outweigh the ritual of solid fuel. It is also the right default if you store your oven indoors or cook in a spot where ash and fire management are unwelcome. Natural gas only overtakes propane when you have a permanent outdoor cooking zone and a compatible oven; it is an installation decision, not a fuel-swap decision.
Do not choose briquettes for a dedicated Ooni or Gozney solid-fuel oven just because the page says "charcoal." Ooni's guidance favors lump charcoal, and briquettes generate more ash in compact fuel trays. Briquettes remain sensible in a kettle-mounted pizza attachment where you already own briquettes and can add dry wood chunks for top heat.
Finally, treat chips as optional smoke garnish. They do not replace logs, chunks or pellets, and on a fast Neapolitan pizza the smoke may be more aromatic around the oven than perceptible on the slice. If you want real wood-fired character, use wood as the heat source in a compatible oven — for a broader comparison of oven architectures, see our Ooni vs Gozney vs Blackstone brand guide and our DIY wood-fired pizza oven guide.
Frequently Asked Questions
Q: Are wood pellets or wood chunks better for a pizza oven?
It depends on the oven. Pellets are the correct fuel for a gravity-fed pellet oven like the Ooni Fyra 12. Wood chunks are intermediate pieces for topping up a solid-fuel fire in ovens like the Ooni Karu 16 or Gozney Dome Gen 2. They are not interchangeable — a pellet-fed hopper will not burn chunks, and a Karu fuel tray is not designed for loose pellets.
Q: Does wood-fired pizza really taste smokier than gas pizza?
Not always. Owner reports for very fast Neapolitan bakes — 60 to 90 seconds — frequently describe little perceptible smoke difference on the finished pizza. Wood clearly changes the ritual, flame behavior, aroma and workload. Flavor differences become more plausible on longer cooks, such as New York-style pies, roasting, bread or meat. For a deeper look at the oven-level trade-offs, see gas vs wood-fired pizza ovens.
Q: Can I use any charcoal briquettes in an Ooni Karu?
Not automatically. Ooni's solid-fuel guidance emphasizes quality lump charcoal, and briquettes produce more ash and do not create the same live flame. Kingsford or other briquettes may work in some grill-mounted pizza attachments, but they are not the recommended default for Ooni Karu or Gozney Dome fuel trays. Check your specific oven manual before using briquettes.
Q: Why do Ooni sell both 5-inch and 8-inch oak logs?
Because fuel-tray size changes between models. The 5-inch logs are sized for Karu 12, Karu 12G and Karu 2. The larger Assorted Oak Pack contains 8-inch logs plus 5-inch logs and 4-inch chunks, and Ooni explicitly states those pieces will not fit the compact Karu 12/12G. Matching log length to the tray is the single biggest factor in avoiding a smoldering, sooty fire.
Q: Can I convert a propane pizza oven to natural gas myself?
Only if the manufacturer supplies or approves the exact conversion solution for your specific model. Ooni lists Koda 16, Koda 2 Pro, Koda 2 Max, Karu 16 and Karu 2 Pro as natural-gas-compatible, and explicitly says Koda 12, Koda 2, Karu 12 and Karu 2 cannot be converted. Gozney lists natural-gas variants of Dome Gen 2 and Dome XL Gen 2. Treat any non-approved field conversion as a safety risk.
Q: Are generic cooking pellets safe in an Ooni Fyra?
Many owners report success with third-party cooking-grade hardwood pellets, but that is community practice rather than official cross-brand approval. The recurring performance complaints are moisture, hopper bridging and airflow restriction, not pellet brand. Ooni's own U.S. premium hardwood pellets remain the safest editorial recommendation because their dimensions, moisture and Fyra compatibility are officially documented.
Q: Can I add wood chips to a gas pizza oven for smoky flavor?
Only through an approved smoker box or smoking device, not by scattering chips into the burner or fuel tray. Camerons superfine chips and similar products are smoking accessories, not pizza-oven firewood. Also keep expectations realistic: on a fast Neapolitan bake, the smoke may not produce a strong flavor difference.
Conclusion
The best pizza oven fuel is the one your oven is actually designed to burn, in the right size, kept dry, and matched to how many pizzas you plan to cook. That principle sorts the entire market: pellets for the Fyra, 5-inch oak for compact Karu ovens, a chunk-and-log mix for the Karu 16 and Karu 2 Pro, lump charcoal plus hardwood for serious multi-fuel batches, and propane for the easiest repeatable throughput.
Where owners go wrong is treating fuel as a flavor contest first. The more defensible way to choose is workflow first: wood and charcoal demand more attention, propane recovers faster and removes fire management, natural gas is a permanent-station decision, and chips are garnish, not fuel. The two-fuel method — lump coal bed plus small oak pieces — is often the best answer for multi-fuel owners who want both stability and a live flame.
For more help matching an oven to your space and cooking style, start with our pizza oven sizing guide, then check the cost guide by oven type and our used pizza oven buying guide if you are weighing budget and fuel compatibility together.
If you are ready to buy fuel today, the safest defaults are the Ooni Premium Hardwood Pellets for Fyra owners, the Ooni Assorted Oak Pack for larger Karu models, and a standard 20-lb propane exchange for gas oven users cooking for a crowd.
