Tevilat Kelim: the ritual immersion of new utensils

Tevilat Kelim is the practice of immersing new kitchen utensils — metal or glass, bought from a non-Jewish manufacturer — in a mikveh (ritual bath) or a natural water source before using them for food for the first time.

Which utensils need tevilah, and which don't

This custom mainly applies to utensils that come into direct contact with food: pots, pans, cutlery, glass plates and cups. It usually does not apply to electric appliances (such as a toaster or a blender) nor to plastic or wooden utensils, although opinions vary depending on each community's tradition, so it is advisable to consult a rabbi about specific cases. The general criterion used to draw this line is similar to the one used for hagalah: the more direct the contact with food and the more durable the material, the more likely it needs immersion.

The step-by-step process

1. Clean the utensil well, with no labels, seals or adhesives left that could stand between the water and the surface.
2. Check that there is no substance (grease, rust, packaging residue) acting as a barrier.
3. Fully immerse it in the mikveh's water, or in a fitting natural water source, while a blessing is recited (for utensils that require it according to tradition).
4. Once properly immersed, the utensil is ready for normal use, with no further steps needed.

Where to do it in practice

Many community mikvehs have a specific time slot available for tevilat kelim, separate from personal ritual use, as well as detailed instructions on which materials require immersion and which do not. Some larger communities even have a separate pool dedicated exclusively to this use, to avoid mixing schedules with the mikveh used for personal ritual immersion.

Frequently asked questions

Does a second-hand utensil need tevilah just like a new one?
Yes, if it was originally manufactured or sold by a non-Jewish party, the custom applies regardless of whether the utensil is new or used.

What if I buy a utensil and there's no mikveh nearby?
Any natural water source that meets the halachic requirements can be used (a river, the sea), though in practice most people use the nearest community mikveh that has a time slot available for this.

Do utensils bought from a Jewish manufacturer also need tevilah?
Generally not; the custom is specifically focused on utensils of non-Jewish origin.

Related reading

For other practical steps when equipping a kitchen from scratch, including this custom, see how to set up a kosher kitchen from scratch. And for the method used to purify utensils that absorbed non-kosher flavor, see hagalah: how to kosher metal utensils.