Heat and cold

Glass handles heat and cold differently from plastic. The maker's instructions come first.

Disclosure: We may earn a commission if you buy through links on this page. It does not change what we recommend. Affiliate Disclosure

Guides

Headspace, jar shape, and thawing.

What to check before it goes in.

Lids, venting, and even heating.

Why glass cracks with sudden temperature change.

Dishwasher, stains, and odors.

Why sudden temperature changes can crack glass.