Is sanding a bamboo cutting board to get rid of black mold a good idea?

scrubbing a bamboo chopping board

Black mold is unsightly and nasty but sanding a bamboo cutting board is not always the best idea, especially if the board is heavily infested with black mold or mildew.

Sanding a moldy bamboo board can release mold spores into the air, which can cause allergic reactions or respiratory problems. It is advisable to replace a heavily infested bamboo cutting board instead of trying to salvage it through sanding.

However, if the mold is only on the surface, you can use a sandpaper or steel wool to remove it gently. You can then clean the board with a solution of vinegar and water, dry it, and then re-oil it.

And yes, you can use the same process to fix the mold on wooden cutting board too.

How to get mold out of bamboo cutting board

Black mold on a bamboo cutting board is not only unsightly but also unhygienic. To get rid of it, you can start by washing the board with hot, soapy water and then scrubbing it with a solution of vinegar and water.

You can then rinse the board and let it dry before oiling it. If the mold persists, you can use sandpaper or steel wool to remove it gently, taking care not to sand too deep. Remember to wear protective gear such as a mask and gloves when handling moldy bamboo cutting boards.

The type of mold on a cutting board can release spores damaging to your health so it’s better to be safe than sorry.

Can you sand a bamboo cutting board?

Isn’t it too hard a material to sand anyway? It is a really durable and hard material to work with but once the mold has been cleaned away, yes it is possible to sand the surface prior to refinishing it with a food safe oil or laquer.

Sanding bamboo can help smooth out any rough edges, remove scratches or stains, and restore its natural beauty. However, it’s important to keep a few things in mind:

  1. Use appropriate sandpaper: Due to its hardness, it’s recommended to use sandpaper with higher grits (fine-grit sandpaper) to prevent excessive removal of material. Starting with a lower grit and gradually moving to a higher grit will help achieve a smoother finish.
  2. Take your time: Sanding bamboo may require a bit more time and effort compared to softer materials. Patience and consistent sanding motions will yield better results.
  3. Clean the surface: Before sanding, make sure the bamboo surface is clean and free from debris. This will help prevent the sandpaper from getting clogged and ensure a more effective sanding process.
  4. Work gradually: Start with a light touch and assess the results. If more sanding is needed, gradually increase the pressure until you achieve the desired smoothness. Avoid applying excessive pressure, as it can damage the bamboo.
  5. Finish with a sealant: Once you’ve achieved the desired smoothness, consider applying a food-safe sealant or oil to protect the bamboo and enhance its appearance.

What is that mold on wooden and bamboo cutting boards?

The term “black mold” typically refers to a type of mold known as Stachybotrys chartarum. It can appear black or dark green and is often associated with damp or water-damaged environments. While black mold can grow on various surfaces, including cutting boards, it’s important to note that not all black molds are Stachybotrys chartarum. Many other species of mold can also appear black.

Stachybotrys chartarum has gained attention due to its potential health risks. It produces mycotoxins, which are toxic substances that can be released into the air when the mold is disturbed or when it is inhaled or ingested. These mycotoxins are believed to have the potential to cause health problems in humans.

Exposure to Stachybotrys chartarum or its mycotoxins can lead to respiratory symptoms, such as coughing, wheezing, and throat irritation. Some individuals may also experience allergic reactions, such as nasal congestion, sneezing, or skin rashes. Additionally, exposure to high levels of mycotoxins from this mold has been associated with more severe health issues in some cases, including fatigue, headaches, dizziness, and even neurological symptoms.

It’s important to note that the health effects of black mold can vary depending on individual sensitivity, the amount of mold present, and the duration of exposure.

If you suspect that you have black mold on your cutting board or elsewhere in your home, it’s recommended to take appropriate precautions. This may include cleaning or replacing the affected cutting board, improving ventilation and reducing moisture in the area, and consulting with a professional to assess and remediate any mold-related issues.

Can I use bleach to remove black mold from my bamboo cutting board?

Bleach is not recommended for cleaning bamboo cutting boards as it can damage the bamboo fibers and cause discoloration.

Moreover, using bleach to remove black mold from a bamboo cutting board can be hazardous as it can release harmful fumes into the air. It is best to use natural cleaning solutions such as vinegar and baking soda, which are effective and safe.

How often should I oil my bamboo cutting board?

Oiling your bamboo cutting board regularly helps to prevent it from drying out and cracking. The frequency of oiling depends on how often you use the board.

For instance, if you use your bamboo cutting board daily, you should oil it at least once a month. If you use it less often, you can oil it every two to three months.

To oil your bamboo cutting board, apply a food-grade oil such as mineral oil or coconut oil to the surface and let it soak for a few hours before wiping off any excess oil.

Can I use my bamboo cutting board for cutting meat?

Bamboo cutting boards are suitable for cutting meat, poultry, fish, and vegetables. However, you should avoid cross-contamination by using separate boards for different types of food.

You should also wash your bamboo cutting board thoroughly with hot, soapy water after each use and disinfect it with a solution of vinegar and water. Avoid soaking your bamboo cutting board in water or exposing it to extreme temperatures as this can damage the bamboo fibers.

Can I put my bamboo cutting board in the dishwasher?

No, you should not put your bamboo cutting board in the dishwasher as the high temperature and harsh detergents can damage the bamboo fibers and cause warping or cracking.

Instead, you should wash your bamboo cutting board with hot, soapy water and a soft-bristled brush. Rinse it thoroughly and let it dry completely before storing it.

How do I remove stains from my bamboo cutting board?

Stains on a bamboo cutting board can be unsightly and unhygienic and if you’re wondering how to clean a stained bamboo cutting board, well, it’s fairly easy using some simple household items.

To remove stains, you can make a paste of baking soda and water and apply it to the stained area. Let it sit for a few minutes before scrubbing the board with a soft-bristled brush.

Rinse the board thoroughly and let it dry completely. If the stain persists, you can try using a solution of vinegar and water or lemon juice and salt.

How do I store my bamboo cutting board?

To prolong the lifespan of your bamboo cutting board, you should store it in a dry and well-ventilated area away from direct sunlight and heat sources.

You can store it upright or flat, depending on your preference. If you have limited space, you can hang it on a hook or a towel rack. Avoid stacking your bamboo cutting board with other kitchen items as this can cause warping or cracking.

In conclusion, maintaining a bamboo cutting board requires regular cleaning and oiling. While sanding a bamboo cutting board can be an effective way of removing mold, it should only be done with caution to avoid releasing mold spores into the air.

Always wear protective gear when handling moldy bamboo cutting boards and avoid using harsh chemicals such as bleach. With proper care, your bamboo cutting board

How to sand a bamboo cutting board

If you do choose to sand down your old board, please be careful and do so in a well ventilated area.

Begin with a medium-coarse sandpaper, around 60 – 80 grit should do it, and when any stains or mold marks are gone, switch to a fine sandpaper to finish off, around 200 – 240 grit.

Once sanded down, clean it with a white vinegar solution to stop the mold reoccurring.

Bamboo is an excellent choice for a cutting board. As a natural material that is highly durable and flexible, it’s perfectly suited.


Bamboo is naturally anti-bacterial and anti-fungal, so it doesn’t need to be sanitized before using it. So if your old board is beyond repair you can start using your new bamboo chopping board straight away.

It’s also renewable and biodegradable. Bamboo is a fast-growing plant that can be harvested without harming the environment.

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