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Can You Reuse Jam Jars and Lids?

Can You Reuse Jam Jars and Lids?

Posted by The Wares Team on 19th Oct 2026

Quick answer: Purpose-made preserving jars can often be reused as long as the glass is free from chips, cracks and damage. For long-term shelf-stable preserves, use a new compatible lid everytime. Old … read more
Why Didn’t My Jam Jar Seal? - 10 Common Causes

Why Didn’t My Jam Jar Seal? - 10 Common Causes

Posted by The Wares Team on 13th Oct 2026

Quick answer: Start by checking that the lid is new, undamaged and compatible with the jar, then inspect the jar rim for chips or food residue. Also check the recipe's headspace, fill temperature, pro … read more