My Ooni Karu 16 is showing signs of patina / oxidation.
October 10 2024 1:36pmYes - it’s normal for parts of your Ooni Karu 16 that are exposed to extremely high temperatures to show signs of rust, patina or oxidation. This will not affect the way your oven performs in any way - you can keep on cooking for years to come!
Can I remove patina / oxidation?
The best way to remove patina / oxidation is by following the steps below:
Wait until your oven is completely cool
Wipe down the powder coated shell with warm soapy water and a sponge or microfibre cloth
After the shell has been cleaned, wipe down the inside of your oven with a paper towel or rag and stainless steel cleaner, such as Bar Keeper’s Friend or Weiman Stainless Steel Cleaner.
Never use abrasive cleaning products to clean your oven |

Can I prevent patina / oxidation from forming in the first place?
It’s natural for outdoor cooking appliances to show signs of rust, patina or oxidation, but there are a few things you can do to keep your Ooni Karu 16 looking as good as possible:
Store your Ooni Karu 16 under a carry cover
Store your Ooni Karu 16 indoors or in a covered area if not in use for an extended period of time
Clean your Ooni Karu 16 when needed
If you feel that your oven’s performance has been affected in any way, submit a support request and we’ll be able to help.