Eco-Friendly Methods to Clean Mold from Shower Seals

Hey there, eco-warrior! We've all been there: peering into the corners of our showers and spotting that unsightly, pesky mold creeping into the seals. I know it's tempting to reach for the bleach, but there are better ways. Natural ways. 

For those looking to remain true to an eco-friendly lifestyle, I've got your back. Let's dive into some fabulous natural shower mold cleaners that will keep them looking pristine without harming our precious planet.

1. Vinegar - Nature's Antifungal

If you haven't already embraced vinegar in your zero-waste cleaning arsenal, now's the time. This amazing liquid is a natural antifungal, which is excellent at banishing mold. Here's how you can use it:

  • Fill a spray bottle with white distilled vinegar.
  • Spritz generously over the moldy shower seal.
  • Let it sit for about an hour.
  • Scrub gently using an old toothbrush or scrubbing brush.
  • Rinse with water.

Note: For stubborn mold, let the vinegar sit a bit longer. Always test a small area first to ensure the vinegar doesn’t damage your seals.

2. Baking Soda - The Gentle Scrubber

Another staple in the eco-friendly household is baking soda. Not only does it neutralize odors, but it also acts as a gentle abrasive, perfect for scrubbing away mold.

  • Make a paste with baking soda and water.
  • Apply this to the moldy area.
  • Gently scrub using a brush.
  • Rinse away with water.

When combined, vinegar and baking soda can work wonders. After letting the vinegar sit, sprinkle some baking soda onto the mold, scrub, and rinse. The fizzy reaction is not just fun to watch but super effective too!

3. Tea Tree Oil - A Potent Foe

Tea tree oil isn’t just for pimples or hair care. This potent essential oil has antifungal and antibacterial properties that can help combat mold.

  • Mix a teaspoon of tea tree oil with a cup of water in a spray bottle.
  • Shake well and spray onto the mold.
  • Allow it to sit for an hour.
  • Scrub and rinse.
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Remember, essential oils are potent, so always handle them with care. It's best to wear gloves, and remember to keep them away from pets!

4. Grapefruit Seed Extract - The Unsung Hero

This might sound fancy, but grapefruit seed extract is a fantastic and natural mold remover. It's odorless (a bonus for those who aren't fans of vinegar’s pungent smell) and super effective.

  • Add 20 drops of grapefruit seed extract to two cups of water in a spray bottle.
  • Shake well.
  • Spray onto the moldy area.
  • Do not rinse. Let it work its magic.

The advantage here is that grapefruit seed extract protects against mold regrowth for a while, thanks to its antifungal properties.

5. Hydrogen Peroxide - The Bubbly Solution

Found in many eco-warriors' homes, hydrogen peroxide is another excellent mold killer.

  • Pour a 3% concentration of hydrogen peroxide into a spray bottle.
  • Spray it onto the mold and wait for about 10 minutes.
  • Scrub the area and rinse with water.
  • To prevent mold regrowth, you can spray the area again and just let it dry.
  • Always store hydrogen peroxide in a dark bottle, as exposure to light can weaken its potency.

Now, if you're thinking, "Hey, what about that rubber seal? Can it work on water bottles as well?", don't fret. It does, and it's a life-saver, trust me!

6. Lemon Juice - Citrusy Clean

Ever notice how many cleaning products are lemon-scented? That's because lemon has natural antibacterial and antifungal properties. It's not just the scent; the juice is effective too.

  • Squeeze fresh lemon juice into a bowl.
  • Dip a toothbrush or small scrubbing brush into the juice.
  • Scrub the moldy area with the lemon-soaked brush.
  • Let it sit for about 10 minutes, then rinse.

7. Cornstarch - The Mild Mildew Fighter

It might sound odd, but cornstarch, combined with vinegar or lemon juice, can work against mold too. Its absorptive property helps in drying out the mold.

  • Make a thick paste using cornstarch and a little vinegar or lemon juice.
  • Apply this paste onto the moldy seal.
  • Leave it for 10-15 minutes.
  • Scrub and rinse.

8. Sunlight – Nature’s Disinfectant

Ever noticed how nature has its way of cleaning things up? Sunlight is a natural mold deterrent. If your shower curtain or liner has mold, for instance, take it outside and hang it in direct sunlight. Ultraviolet rays from the sun can kill mold. 

Plus, giving items a good sunbath can naturally whiten and refresh them.

  • Take out any removable shower items showing mold signs.
  • Place them in direct sunlight for a few hours.
  • Rinse and place them back.
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9. Maintain Ventilation and Dryness – Prevention is Key

Mold thrives in damp, stagnant environments. Ensuring your bathroom is well-ventilated can prevent mold growth.

  • Always turn on the exhaust fan during and after your shower.
  • Keep the bathroom door open post-shower to allow moisture to escape.
  • Dry out any stagnant water in the corners or on the seals.

10. Routine Checks & Quick Actions

Making it a habit to inspect your shower seals and corners regularly can save you from stubborn mold buildup.

  • Weekly quick inspections can help.
  • If you spot tiny mold formations, immediately apply one of the methods above.

Lastly, consider eco-friendly showers. Modern showers are designed to minimize crevices where water and, subsequently, mold can accumulate. Upgrading your shower can be an aesthetic improvement and a step towards a mold-free bathroom. 

Remember, an ounce of prevention is worth a pound of cure. Embrace these habits, and you'll find yourself living a cleaner, greener lifestyle without the unwanted presence of mold in your sanctuary.

Extra Tips

  1. Always ensure proper ventilation in your bathroom. A well-ventilated space can prevent mold growth.
  1. Dry off the seals with a towel after each shower. It might sound tedious, but it does wonders in mold prevention.
  1. Invest in eco-friendly showers. Not only do they use less water, but they're designed to minimize mold growth and other issues.


In essence, eco-friendly cleaning methods not only protect our environment but also ensure the longevity and hygiene of our homes. 

By adopting these natural mold-combatting techniques and maintaining regular checks, we can ensure our bathrooms remain fresh and healthy. And as we champion the zero waste movement, let's remember that every small step counts, turning our bathrooms into safe, mold-free havens.


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