A glass tea kettle may need a metal diffuser on an electric stove because direct heat can create concentrated hot spots on the bottom of the glass. When one area heats faster than the surrounding area, thermal stress increases and the kettle may crack.

When it comes to glass tea kettles, safety should be a top priority. Here are a few factors to consider when looking for the safest glass tea kettle:

The glass kettle has become a popular choice for tea enthusiasts looking to elevate their brewing experience.