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Cloth Diaper Smells: Why It Happens and How to Fix It

by agathe martineau 15 Apr 2025 0 Comments

Spoiler alert: Cloth diapers aren't supposed to smell bad on a daily basis. Sure, we're dealing with pee and poop here, but a good routine should keep bad odors in check.

When cloth diapers are properly used, stored, and washed, they really shouldn't have a strong smell. Here's how to fix it — and even better, how to prevent it!

1. Common Causes of Bad Odors

Poor ventilation: Sealed-up diapers trap smells faster — and stronger!

  • Improper wash routine: Residues of urine or detergent = lingering odors even after washing.
    • Overstocking: Waiting more than 3–4 days to wash? Hello odors, mold, and more!

    2. How to Store Dirty Diapers the Right Way

    Let them breathe

    • Use an open basket or a hanging wet bag that stays open.
    • Avoid sealed diaper pails: stagnant air promotes bacteria that cause bad smells.

    Smart storage spot

    • Keep your diaper container in a well-ventilated area.
    • Avoid small, closed-off spaces (like a tiny bathroom or a bedroom with the door shut).

    3. Add a Touch of Essential Oil (with Care)

    A simple, natural, and pleasant trick: add a cotton pad or piece of fabric with 2 drops of essential oil into your diaper pail or wet bag.

    Best options:

    Tea Tree: antibacterial and antifungal properties (my personal fave!)

    Lavender: calming and deodorizing

    ⚠️ Never apply essential oils directly on the diapers or on baby’s skin.

    4. What About Washing?

    Good storage is just the start... but if your diapers still smell after washing:

    Review your routine: enough water? right detergent?

    Check for buildup: a deep clean (aka stripping) might be needed.

    Good agitation: diapers should rub against each other to get truly clean.

    With just a few small tweaks, you can cut down or completely eliminate diaper odors — even if there’s a bucket of dirty diapers right next to you.

    If you're unsure about your wash routine, check out this helpful link:

    https://lapetiteourse.ca/en/pages/entretien-des-couches-lavables

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