A Story from the Field: The One-Star Review That Said "Musty"

Khun Pimchanok is thirty-four and has been selling women's clothing and canvas tote bags online for five years. She rents a two-storey townhouse in a soi off Phetkasem Road on the Nong Khaem side of western Bangkok. The ground floor is her stock room and packing table. Upstairs is her bedroom and a work corner with a computer, a shipping-label printer, a camera and lights for product photography.

During the 2026 floods, water from a nearby canal spilled into her soi and flowed into the ground floor to a depth of about a hand-span, where it stayed for several days. Pimchanok and her younger brother managed to carry most of the bagged stock upstairs. But the flat-packed shipping boxes, rolls of packing tape, bubble wrap and some stock on the bottom shelves were already wet before they could move them.

When the water receded, she quickly mopped the floor and reopened the shop straight away, afraid that her sales would disappear if she stayed offline for too long. Two weeks later, the messages started. A customer wrote that the blouse she received smelled "like clothes that never dried". Another sent a photo of tiny black spots on a tote bag. Then came a one-star review: "Opened the box and it smelled really musty. Had to wash it before I could wear it." Pimchanok went downstairs and pulled out the cartons stacked against the wall. The bottoms of the corrugated boxes were covered in patches of mold, and the musty smell had seeped into the plastic-bagged products inside.

For an online seller, reviews and shop ratings are everything. This guide explains how home offices and stock rooms in Nong Khaem, Thawi Watthana, Bang Khae and Phasi Charoen can recover after the flood, so that every parcel that leaves the house is clean, fresh and ready to earn a five-star review again.

Why Stock Kept at Home Is More Vulnerable Than You Think

Many home-based sellers assume that if their products did not actually sit in the water, they are safe. Unfortunately, a flooded house creates conditions where damage spreads far beyond the waterline.

• Cardboard cartons act like sponges. Even if water was only a few centimetres deep, corrugated cardboard wicks moisture well above the waterline. Damp cardboard is an ideal food source for mold, and it can stay damp inside for a long time even when the outside feels dry.
• Stock rooms are usually closed. Many sellers keep stock in rooms without windows, or with curtains drawn all day to protect products from sunlight. Air does not circulate, so moisture lingers for weeks after the flood.
• Fabric and leather absorb odors. Clothes, canvas bags, shoes and leather goods soak up musty smells from the room around them, even when the items themselves never got wet.
• Shelves pushed against the walls. Walls that were soaked release moisture for weeks. Boxes stacked against them are exposed to that dampness constantly.
• Packing materials spread the problem. Empty boxes, tissue paper and bubble wrap that were wet carry odor and mold spores onto newly packed products, so even fresh stock can arrive at the customer smelling musty.

There is also a timing trap. Mold rarely appears on the day the water goes down. It usually becomes visible one to three weeks later, which is exactly when many sellers have already restarted shipping. By the time the first complaint arrives, dozens of parcels may already have left the house from the same contaminated room. That is why it is worth inspecting and treating the stock room before restarting sales, not after the first bad review.

The Impact on Your Business, and on the People Living in the House

Reputation. Just a few reviews mentioning a musty smell or mold spots are enough to make new customers hesitate. A lower shop rating can also affect how prominently products are shown on online marketplaces, and it takes a long time to rebuild.

Money. Returns, re-shipping costs, compensation discounts and stock that has to be thrown away all add up, and they often hit at exactly the moment sales are already down because of the flood.

Time. Most online sellers work alone or with one or two helpers. Every hour spent answering unhappy customers, sorting stock and rewashing items is an hour not spent selling, creating content or sourcing new products. Live-selling sessions, a major sales channel for many Thai sellers, are also hard to run from a room that smells and looks damp on camera.

Health. Working all day in a damp, musty stock room can lead to a blocked nose, sneezing, and irritated eyes and skin. People with allergies or asthma may find their symptoms flare up because of mold spores. Wading through floodwater while moving stock also carries a risk of leptospirosis, known in Thailand as "rat urine fever". Anyone who develops a high fever or muscle pain after contact with floodwater should see a doctor promptly and mention the flood exposure.

Quick Fixes Sellers Often Try, and Why They Backfire

• Spraying perfume or fabric freshener on products before packing. The customer then smells perfume mixed with mustiness, which is worse. Some customers are also sensitive to fragrance, which leads to even more complaints.
• Adding scented sachets or silica gel packets to each parcel. These help a little in boxes that are already dry, but they cannot fix a room that is still damp and harbouring mold.
• Wiping shelves with bleach. The chlorine smell can transfer onto fabric products and may cause discoloration or blotches on coloured textiles.
• Running the air conditioner day and night. This reduces humidity somewhat, but if the air-conditioner filter already has mold on it, the unit will blow spores all over the room.
• Moving the boxes to another room. This simply moves the problem, because moldy boxes carry spores into the new space.

The underlying issue is that the stock room itself, not just the products, needs to be cleaned, disinfected and deodorized as a whole space. Treating individual items one by one while the room stays contaminated is a race you cannot win.

The Solution: Disinfection Fogging and Controlled Ozone Treatment for Home Offices and Stock Rooms

The World Health Disinfection (WHD) team plans each job to suit homes that are both living spaces and workplaces, combining two core services.

Our disinfection fogging service uses CHEMGENE HLD4H applied as an ultra-low-volume (ULV) fine mist over floors, walls, shelving, packing tables and other surfaces that were in contact with floodwater. This helps reduce bacteria and mold on those surfaces. The team will advise you to move products out of the fogging zone first.

Our ozone treatment service uses ozone gas, which spreads throughout a closed room and helps break down musty odor molecules in the air, on shelving and in hidden corners, as well as dealing with airborne mold spores. In rooms that hold stock, the team uses a controlled ozone dose and decides together with the owner which product types can remain in the room during treatment and which should be moved out first.

Step-by-Step Service Process for Online Sellers

1. Site survey. The team checks the flood line, walls, shelving, stock boxes, air-conditioner filters and the work area, and asks about the types of products you store.
2. Sorting and clearing. The team recommends discarding cardboard cartons and packing materials that got wet, and helps you separate unaffected stock, stock that needs washing or cleaning first, and stock that should not be sold.
3. Disinfection fogging. Chemgene HLD4H is applied to floors, walls, shelving and packing tables.
4. Controlled ozone treatment. The room is closed and treated for the assessed duration. No people, pets or plants may be in the house during this time.
5. Ventilation. Doors and windows are opened for the full time the team specifies.
6. Re-check and storage plan. The team assesses the odor after treatment and advises on keeping shelves away from walls, raising the bottom shelf off the floor and controlling humidity in the stock room.

Your Work Corner and Photo Area: The Spots Sellers Forget

Beyond the stock room, a home office has several other areas that need attention after a flood, and they are often the places where you spend the most hours each day.

• Fabric chairs and seat cushions. If they were on the ground floor during the flood, the foam inside may still be damp and smelly.
• Photo backdrops and fabric sweeps. Backdrop fabrics rolled up in a damp space often develop tiny mold spots, which then appear in every product photo you take.
• Rugs and floor mats. These absorb large amounts of water and odor and usually need replacing.
• Document drawers. Receipts, tax invoices and shop paperwork that got wet should be photographed or scanned before you decide to throw them away.
• Under desks and behind cabinets. Extension leads and cables lying on the floor should be checked, and the space under a desk is a classic hidden corner where mold grows unnoticed.

Including these areas in the disinfection and ozone plan from the start helps the whole house become a clean, comfortable place to work again. It also means you only need to move equipment and clear rooms once, instead of disrupting your work schedule several times over the following weeks.

Checklist Before You Start Packing Orders Again

• Throw away all cartons and packing materials that got wet, and order fresh supplies.
• Smell and inspect your stock lot by lot, separating any lots with odor or mold spots from good stock.
• Wash fabric products that smell and dry them completely before deciding whether to sell them. If you offer flood-affected items at a discount, tell customers honestly.
• Arrange shelves at least a hand's width away from the walls, and raise the bottom shelf off the floor.
• Clean or replace the air-conditioner filters in the stock room and work area.
• Wipe packing tables, scales and daily-use tools with the Chemgene HLD4H 750 ml disinfectant spray.
• Check the stock room every week during the first month for any new odor or mold spots.

Different Product Categories Need Different Decisions

Online shops in western Bangkok sell almost everything from home, and each category reacts differently to floodwater, humidity and mold. The points below are general guidance to discuss with the team during the survey, not a substitute for the manufacturer's care instructions.

• Clothing and textiles. Items that were never wet but smell musty can often be recovered by washing and thorough drying. Items that were soaked in floodwater, or that show visible mold, need much more careful judgement, and many sellers decide not to resell them.
• Bags, shoes and leather goods. Leather and synthetic leather can develop mold on the surface and inside linings. Some pieces can be cleaned by a specialist, but high-value items should be kept out of the ozone treatment area and assessed individually.
• Cosmetics and skincare. Products that were in contact with floodwater should not be sold, even if the packaging looks intact, because contamination may reach caps, pumps and seals. Sealed stock that stayed dry should still be wiped down on the outside before shipping.
• Food and snacks. Anything that touched floodwater must be thrown away. Dry stock stored in a damp room should be checked carefully for packaging damage, moisture and changes in smell.
• Small electronics and accessories. Devices that were submerged should not be sold as new. Boxed electronics that stayed dry should be moved out of the room before ozone treatment.
• Books, stationery and paper goods. Paper absorbs moisture and odor quickly. Items with wavy pages, stains or a musty smell are rarely worth trying to save for resale.

Setting Up a More Flood-Ready Stock Room

Once the room has been disinfected and deodorized, a few simple changes can make the next rainy season much less stressful:

• Use plastic storage boxes with lids for your most valuable stock instead of cardboard cartons.
• Keep the bottom shelf at least knee-high so that a shallow flood does not reach products.
• Store a small emergency stock upstairs so you can keep fulfilling orders if the ground floor floods again.
• Place a simple hygrometer in the stock room and aim to keep humidity under control with ventilation or a dehumidifier.
• Keep a digital list of stock by shelf, so that if water rises you know exactly what to carry upstairs first.

Talking to Customers While You Recover

Honest communication protects your shop's reputation during recovery. A short, calm post explaining that your area was affected by the flood, that you have had your stock room professionally disinfected and deodorized, and that any item arriving with a problem will be replaced, builds trust rather than doubt. Customers in Bangkok understand what the 2026 floods meant for small businesses, and many will happily support a seller who is open about what happened.

It also helps to pause listings for any product lines you are not yet sure about, rather than risk sending them out. Selling a little less for a week or two is far better than collecting reviews that stay on your shop page for years. When you are ready, fresh product photos taken in a clean, odor-free room on a clean backdrop are a simple way to signal that the shop is back to normal.

10 Reasons Online Sellers in Nong Khaem Choose WHD Disinfection and Ozone Treatment

1. It reduces musty odors in the stock room at the source through our ozone treatment service, rather than covering them up.
2. Floors, walls, shelving and packing tables are thoroughly disinfected through our disinfection fogging service.
3. It uses CHEMGENE HLD4H for surface disinfection.
4. The ozone dose is controlled to suit rooms containing work equipment and products.
5. It helps reduce the risk of reviews about musty smells or mold spots in parcels.
6. You get practical advice on sorting stock from a team that works on flood-affected premises every day.
7. Your workspace becomes more comfortable, with fewer mold spores to cause a stuffy nose while you work.
8. Appointments can be scheduled around your shipping cut-offs to minimize downtime.
9. It can be combined with our dust mite removal service for the mattresses and sofas in your home.
10. Booking is easy by phone or LINE, covering Nong Khaem, Thawi Watthana, Bang Khae, Phasi Charoen and nearby areas.

Before and After Disinfection and Ozone Treatment

Customer Voice (Example Scenario)

"The team helped me plan everything: move the computer and printer out first, which lots to keep and which to let go. After the fogging and ozone, the stock room doesn't smell musty any more. Now I can pack orders without worrying about opening my chat and finding another complaint."

— Khun Pimchanok, online clothing shop, Nong Khaem district (example scenario)

Frequently Asked Questions

Q: Can the stock stay in the room during ozone treatment?
A: It depends on the product type. The team assesses this with you. Ozone-sensitive or high-value items should be moved out first, while the room and shelving are treated with a controlled dose.

Q: If products already smell musty, will ozone remove the smell?
A: Ozone is very effective at reducing odor in the room and on surfaces. However, fabric products that have absorbed odor or show mold spots should be washed or cleaned according to their material, and you should decide carefully whether they are fit to sell.

Q: Do I need to move my computer and printer?
A: We recommend removing them or covering them completely. The team will give you the details before the appointment.

Q: How many days will my shop need to close?
A: It depends on the size of the space and the level of damage. After the survey, the team will plan the timing to minimize the impact on your shipping schedule.

Q: Should I throw away cartons that look dry now?
A: Cartons that were soaked by floodwater usually still hold mold spores and odor even after drying. We recommend discarding them and using new boxes.

Q: Which areas do you cover?
A: Nong Khaem, Thawi Watthana, Bang Khae, Phasi Charoen, Bang Bon and other areas of Bangkok and its vicinity. Contact LINE @whd268 for details.

Make Every Parcel Fresh and Clean Again

Book a survey for your home office and stock room in Nong Khaem or nearby areas.

Book Ozone Treatment – Click Here

See Disinfection Service – Click Here

Call 065-556-6294 · LINE @whd268 · Email worldhealthdisinfection@gmail.com

Related Links

• Ozone treatment for odors and chemical residue
• Residential ozone disinfection
• Master Ozone Generator
• All articles

Health references: World Health Organization (WHO): Floods · Department of Health, Thailand