Problems

Jar leaking

A leaking jar may indicate loss of seal. This guide explains causes, risks, and when not to consume the product.

Lids and sealingAttention level: Medium
Quick summary

Leakage may indicate a broken seal—check for spoilage and do not consume if in doubt.

What happened

Problem symptom

Liquid is leaking or moisture appears under the jar.

Risk
Medium.
Category
Lids.
What to check
Lid condition, seal integrity, smell, gas presence, clarity, and texture.
Why it happens

Main causes

  • Seal failure
    The lid may not have been sealed tightly or may be misaligned.
  • Damaged lid or thread
    Damage to the lid or jar thread can cause leakage.
  • Sealing mistakes
    Uneven or insufficient tightening during sealing.
What to do

Next steps

  1. 1

    Check product safety

    Smell, gas, foam, slime, or cloudiness are more important than leakage alone.

    Important
  2. 2

    Do not take risks if unsure

    If there is any suspicious sign, it is safer not to consume.

    Important
How to reduce the risk

How to avoid this problem next time

    FAQ

    When should you not eat the product?

    When there is gas, foam, mold, strong odor, or leakage.

    What should you check first?

    Check the lid, smell, liquid condition, and storage conditions.

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