Ethan Clarke
Plastic storage containers are a great way to store items, but they can become a breeding ground for mildew if not properly maintained. Mildew thrives in humid environments, so it is important to ensure your containers are completely dry before sealing them. There are several ways to prevent mildew, including using natural products like vinegar, lemon juice, and grapefruit seed extract, or commercial mould and mildew removal products. Proper preservation methods, such as using airtight containers, creating airflow, and controlling humidity levels, are also important to prevent mildew growth.
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What You'll Learn
Use airtight containers
To keep mildew out of plastic storage containers, it is important to use airtight containers. Airtight containers can help prevent mildew by minimising air and moisture exchange between the container and its surroundings. However, it is crucial to ensure that items placed inside airtight containers are completely dry, as any trapped moisture can promote mildew growth.
- Clean and dry the items you wish to store thoroughly before placing them in the container. This is an important step as any residual moisture can lead to mildew growth.
- Use moisture-absorbing products like silica gel or desiccant packs. These products can be placed inside the container to ensure extra moisture absorption, especially for more delicate items.
- When sealing the container, ensure that the lid is on securely and properly. Small gaps or imperfections can allow mildew spores to enter, so take care to avoid this. You can also use internal lids, which can be purchased from craft shops and are designed to fit tightly around the edge of the container.
- If you are unable to find an airtight container with a strong lid, you can create your own internal lid using cling film and an elastic band. Stretch the film over the box so that no creases form and attach it to the opening of the container using the elastic band. Once you've created an effective internal lid, fit the external lid over.
- To further prevent mildew growth, you can disinfect the container before use. Mix a solution of equal parts white vinegar and water and spray it onto the inside of the box. This will kill any mildew spores and bacteria that may be present. Wipe off the vinegar after five minutes.
By following these steps and using airtight containers, you can effectively prevent mildew growth in your plastic storage containers.
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Control humidity
Humidity is a key factor in the development of mildew. Monitoring and controlling humidity levels in your storage area can significantly reduce the risk of mildew growth. The ideal humidity level is below 60%, and a small dehumidifier can help achieve and maintain this level, especially in damp areas.
Temperature control is also important, as extreme heat can cause plastic bins to warp and release moisture, while cold temperatures can lead to condensation. Keeping your storage area consistently cool and dry will help to minimise moisture exposure.
When storing items, ensure they are clean and dry. Dust, dirt, and even a small amount of moisture can provide the perfect environment for mildew to grow. Gently clean decorations with a microfiber cloth to remove dust and grime before placing them in storage.
Additionally, the choice of storage container is critical. Opt for airtight, high-quality plastic bins, as these are designed to keep moisture out. Look for heavy-duty plastic bins labelled "airtight" or "weatherproof" and ensure they have secure latches or rubber seals. Avoid cardboard boxes, as they are prone to absorbing moisture and can create a breeding ground for mildew.
Regularly inspect your plastic containers for cracks or brittleness, as this can compromise their integrity and allow moisture to seep in.
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Clean items before storing
One of the most overlooked ways to prevent mildew is by cleaning items before putting them away. Dust, dirt, and even a small amount of moisture can provide the perfect environment for mildew to grow over time. Therefore, it is important to gently clean your items with a microfiber cloth to remove dust and grime.
If you are storing items that have been previously used, such as clothes or holiday decorations, make sure to inspect them for any signs of mildew. If mildew is present, you can use a solution of equal parts white vinegar and water to kill it. Apply this mixture to the affected areas and scrub with a soft brush or cloth. Alternatively, you can use hydrogen peroxide or lemon juice. Ensure the items are thoroughly dry before returning them to storage.
If you are storing items in a sealed container, it is crucial to ensure that they are completely dry before sealing the container. Even a small amount of moisture can cause mildew to grow inside the container. In addition to drying your items, you can also treat the container itself to prevent mildew growth. Spray the inside of the container with white vinegar or grapefruit seed extract to disinfect the sides and kill any mildew spores that may be present.
By following these steps and taking the time to clean and dry your items before storing them, you can effectively prevent mildew from growing and keep your belongings safe from damage.
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Use natural mildew removal products
Keeping mildew out of plastic storage containers is important to prevent damage to your belongings and the box itself. Mildew thrives in humid conditions, so it's crucial to take steps to reduce moisture and increase airflow. Here are some natural mildew removal products you can use:
White Vinegar
White vinegar is a natural disinfectant that can kill mildew spores and prevent their growth. Mix equal parts vinegar and water, apply the mixture to affected areas, and scrub with a soft brush or cloth. Alternatively, pour vinegar into a spray bottle and spray the inside of the container generously. Leave it for five minutes before wiping it off.
Hydrogen Peroxide
Hydrogen peroxide is another effective natural product for eliminating mildew. It is non-toxic and biodegradable, making it safer for both the user and the environment. Apply it to the affected areas and ensure the plastic is thoroughly dry before returning it to storage.
Bleach
For food storage containers with lids, an occasional bleach bath can be effective. Fill your sink with warm water and add a small amount of bleach (about 10 parts water to 1 part bleach). Soak the lids in this solution and then wash them with warm water. Bleach can be effective in removing mildew and preventing its growth.
Silica Pellets
Silica pellets are highly effective at absorbing moisture, which is essential for preventing mildew growth. Place the pellets inside your storage containers or the area where you store them to help keep the humidity down and create an unfavourable environment for mildew.
Airflow and Sealing
While not a natural product, improving airflow and ensuring proper sealing are crucial in preventing mildew. Leave room between stacks of boxes and avoid placing them directly against walls or on concrete floors. Use internal lids or cling film with elastic bands to create an airtight seal before placing the external lid on the container.
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Avoid placing containers on the floor
When storing items in plastic containers, it's important to take steps to prevent mildew growth, especially when storing items for long periods. One crucial tip is to avoid placing containers directly on the floor. Here's why this is important and some alternative options to consider:
Placing storage containers directly on the floor, especially on a concrete floor, can promote moisture seepage into the containers. Porous materials like concrete can allow moisture to leak through, and if your containers are in direct contact, they can absorb this moisture. This creates favourable conditions for mildew growth. Therefore, it's best to keep your containers off the ground.
Alternative Storage Solutions
Instead of placing containers on the floor, consider using raised structures to keep them off the ground:
- Wooden pallets: Place your containers on wooden pallets, ensuring there's a sheet of plastic between the wood and the container to prevent direct contact.
- Shelving panels: Install shelving units or panels to keep your containers elevated and promote airflow around them.
- Storage racks: Invest in storage racks or shelves specifically designed for holding plastic containers.
- Tables or benches: If you have sturdy tables or benches in your storage area, utilise their surfaces to keep containers off the floor.
Additional Tips
In addition to avoiding floor placement, there are other measures you can take to prevent mildew:
- Ensure your containers are airtight by using internal lids or cling film with elastic bands before sealing the external lid.
- Control humidity levels in your storage area, keeping them below 60% to reduce the risk of mildew growth.
- Regularly inspect your containers for cracks or brittleness, as these can compromise their ability to provide a strong barrier against moisture.
- Use moisture-absorbing products like silica pellets inside your containers to reduce the risk of mildew.
- Clean items before placing them in storage, as dust and grime can provide an environment for mildew to grow.
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Frequently asked questions
Always ensure there is no moisture in the storage container before closing it. You can also use natural supplies such as white vinegar, lemon juice, or grapefruit seed extract to prevent mildew.
Avoid placing containers directly on the floor or against a wall. Instead, use shelves or pallets to promote airflow and keep bins away from any dampness on the ground.
Yes, mould and mildew removers are available in most supermarkets. You can also use moisture-absorbing products such as silica pellets or desiccants to keep mould out of your bin.
Inspect your containers regularly for any cracks or imperfections that may allow mould spores to enter. Look for heavy-duty plastic bins labelled "airtight" or "weatherproof".
Control humidity levels in your storage area and keep them below 60% to reduce the risk of mould growth. You can also use a vapor barrier to prevent water from getting inside and causing mould.
