Last updated: 8 Oct 2026 | 11 Views |
After the water dropped in the villages along Khlong 8, Lam Luk Ka subdistrict, Lam Luk Ka district, Pathum Thani, many families opened a wooden wardrobe or moved the dining table and found fluffy white mold growing like cotton wool or cat fur. Some patches had tiny grey or black dots on the tips, and an earthy, musty smell drifted out. Mold that looks like this usually belongs to a group of fast-growing fungi, and one of the most common names is Mucor. This guide covers the 2026 Khlong 8 flood, what this mold is, why wooden furniture is such an easy target, symptoms and risk groups, how to decide which pieces to keep or throw away, and where ozone disinfection after a flood fits in to reduce airborne spores and musty odours.
According to a Siam News report on 25 September 2026, six villages along Khlong 8, namely Moo 4, 5, 6, 10, 14 and 17, near Khlong Hok Wa in Lam Luk Ka subdistrict, were badly flooded. Around 30 households asked for sandbags, and the subdistrict administrative organisation handed out several thousand bags to help hold back the water. The reported causes were the low-lying terrain and a floodgate on the Bangkok side that remained closed, so water in Khlong 7, Khlong 8 and Khlong 9 drained only slowly.
Nationally, the Department of Disaster Prevention and Mitigation (DDPM) reported as of 06.00 on 7 October 2026 that 27 provinces plus Bangkok were affected, covering 123 districts, 984 subdistricts, 1,154,875 households and more than 3.1 million people. These figures change daily, so please follow the latest local announcements.
When water drains slowly, canal-side homes live with standing water and high humidity much longer than homes where the flood comes and goes quickly. Sandbags hold some water out, but they also make it harder for water that has already seeped in to drain away. Many homes in this area use solid wood, plywood and particle-board furniture, all of which absorb water readily. After days of dampness, that furniture becomes an ideal food source for fast-growing molds such as Mucor.
This is a typical scenario based on situations commonly seen after floods. It is not an interview with a real person.
Ek, in his early forties, lives in a single-storey house raised slightly off the ground, a few hundred metres from Khlong 8. During the flood he stacked sandbags at the door and lifted what he could onto higher shelves, but the big wooden wardrobe, the teak dining table and his daughter's wooden bed were too heavy to move. The wardrobe feet and the bed frame sat in water for several days.
Four days after the water dropped, his wife opened the wardrobe to get some clothes and found white fluff growing across the back panel and shelves. Some strands were long like animal hair, with grey-black dots on the ends. Clothes on the bottom shelf smelled strongly musty, white fluff had appeared along the table legs, and the plywood slats under the mattress had started to swell. Their daughter, who sleeps in that room, had been coughing and sneezing more since they moved back.
Ek wiped off the fluff with a cloth and sprayed alcohol. Two days later it was back in the same places and the musty smell had not changed at all. That was when he started reading about ozone disinfection in Lam Luk Ka and sent photos for advice.
Mucor is a genus of fungi commonly found in soil, plant debris, animal droppings and decaying organic matter. Its defining feature is that it grows very fast. In warm, humid conditions its hyphae spread into a fluffy white to pale grey mat that looks like cotton wool or cat fur within just a few days. It then produces tiny round spore sacs on the tips of stalks, which show up as grey or black dots. When those sacs burst, large numbers of spores are released into the air.
Many people have seen similar-looking mold on bread or fruit left too long, which belongs to a closely related group. After a flood these molds have an advantage, because floodwater coats furniture with soil, mud and organic debris. Combined with soaked wood and closed, stuffy rooms, the mold can grow so quickly that homeowners are shocked.
It is worth knowing that fluffy white mold is not always Mucor. Several other genera look similar, such as Rhizopus, and confirming the species requires laboratory testing. In practice, the approach to mold in a flooded home is the same regardless: cut off moisture, remove badly damaged materials, clean, dry and reduce spores in the air.
Warning signs before you see white fluff include an earthy, musty smell when you open a cabinet, swollen or bulging wood, peeling laminate, and a water stain line marking the old flood level.
For most healthy people, exposure to mold spores at home tends to cause irritation or allergy-type symptoms, such as:
The reason Mucor-type molds get medical attention is that, in uncommon cases, this group can cause a serious fungal infection in people whose immunity is very weak, such as people with poorly controlled diabetes, those on chemotherapy or immune-suppressing drugs, organ transplant recipients, or people with large wounds contaminated by soil and mud. This does not happen to healthy people in general, but it is an important reason why people in these groups should not scrub mold themselves and should stay away from moldy rooms until cleanup is finished.
Risk groups include people with diabetes, older adults, young children, pregnant women, people with asthma or chronic lung disease, and anyone with weakened immunity. If anyone develops fever, facial or sinus pain, a one-sided blocked nose with headache, a wound that turns an unusual dark colour, or coughing and difficulty breathing, see a doctor promptly and mention that the home was flooded and has mold. Anyone who waded through floodwater and then has fever and calf pain should consider leptospirosis and see a doctor too. This article is general information, not treatment advice.
The question Lam Luk Ka families ask most is whether moldy wardrobes, tables and beds should be kept or thrown out. A simple rule of thumb:
For wood you keep, clean it outdoors or somewhere well ventilated. Wear an N95 mask, gloves and eye protection. Use a soft brush with soapy water to scrub the mold off, wipe again with a damp cloth, then let it dry in a shaded, breezy place. Avoid putting it straight into strong sun, which can crack the wood, and do not varnish or paint over it until it is completely dry.
In short, you need to deal with all three areas: materials, moisture and air. Ozone treatment helps with the air and the musty smell once the first two are under control.
Ozone (O3) is a highly reactive oxidiser. When released into a sealed room at a controlled concentration, it reacts with the cell structures of microorganisms and with odour molecules, then breaks down back into oxygen (O2), leaving no chemical residue.
According to the company's certification data, WHD residential ozone disinfection has been tested by Thailand's Department of Medical Sciences and Intertek (UK), with stated effectiveness of 99.99% against viruses, bacteria and fungi under test conditions. Those results cover the groups the company lists, not Mucor in any particular home, so we do not claim ozone removes this specific mold completely. If you want more detailed test data, please ask WHD.
After a flood, ozone's role is to help reduce spores and microbes floating in the air of a closed room once it has been cleaned, to reach hard-to-access exposed surfaces such as the tops of wardrobes and gaps behind furniture, and to break down musty, earthy and canal-water odours trapped in the room.
What ozone does not do: it does not replace discarding swollen plywood, mattresses, carpet or heavily moldy gypsum board. It does not dry wood, does not penetrate deep inside timber, does not fix leaks and does not remove mycotoxins. Ozone is a supporting step after cleaning and drying only.
At disinfection concentrations, ozone irritates the airways, so treatment must take place in a room that is empty of people, pets and plants, kept closed throughout. After the cycle, the room rests so the ozone can break down, and is then ventilated as the technician advises before anyone returns.
A typical cycle is about 30 minutes per zone, covering preparation, ozone release, contact time and rest, depending on room size and conditions.
WHD is based in Bang Khae, Bangkok 10160, with no branch in Pathum Thani. Service in Lam Luk Ka and along Khlong 8 is planned by phone or LINE first to confirm the area, date, time and travel.
Pricing is quoted per job by floor area, number of rooms and damage. If you are searching for an ozone treatment price, send photos and room sizes to LINE @whd268 for a quote. Current promotion: ozone jobs from 15,000 baht receive a free medical-grade disinfectant spray.
Results vary between homes depending on damage and aftercare.
A typical scenario based on common situations, not a real customer review.
After reviewing the photos, the technician advised discarding the plywood mattress slats and the swollen wardrobe back panel. The teak table and solid-wood bed frame were to be scrubbed outdoors with a brush and soapy water, then dried in the shade for several days. All the clothes in the wardrobe were re-washed. Ek's daughter slept in another room during cleanup. Once the room was dry, they booked the ozone treatment. On the day, the whole family went out until the technician confirmed the rest and ventilation period was over. The musty smell that had lingered for days dropped noticeably, and Ek decided that in future he would choose wardrobes on taller legs, well clear of the floor.
It is often a fast-growing mold such as Mucor or Rhizopus, forming white to grey cotton-like growth with small black dots at the tips. Confirming the species requires laboratory testing.
Sound solid wood with surface mold can usually be cleaned, dried and kept. Swollen plywood or particle board, and upholstered items that sat in floodwater, should be discarded.
For most people it causes allergy-type symptoms and irritation, but in people with very weak immunity, such as poorly controlled diabetes, it can rarely cause a serious fungal infection. See a doctor if unusual symptoms appear.
No. If the wood inside is still damp, the mold comes back. Scrub it off, dry the wood properly and let air through, then ozone-treat the empty room to reduce spores and odour.
According to the company's certification data, WHD ozone treatment was tested against virus, bacteria and fungi groups at 99.99% under test conditions, but not specifically against Mucor, and ozone does not penetrate deep into wood. Use it after cleaning and drying, and ask WHD for test data.
The room must be empty of people, pets and plants. A cycle is about 30 minutes per zone, followed by rest and ventilation set by the technician.
It is quoted by floor area, number of rooms and site conditions. Send photos to LINE @whd268 or call 065-556-6294.
WHD is based in Bang Khae, Bangkok, with no Pathum Thani branch. Contact the team by phone or LINE to plan and confirm travel. Same-day arrival is not guaranteed.
Take the clothes out to wash and sun-dry, scrub and wipe the wardrobe, leave the doors open until dry, discard swollen panels, then ozone-treat the empty room to help break down lingering odour.
Send photos of your furniture and rooms so the team can help plan the recovery order before ozone treatment of an empty, dry room.
Call 065-556-6294 · LINE @whd268 · worldhealthdisinfection@gmail.com
Note: flood figures refer to the dates in the reports and change daily. Health information is general knowledge, not diagnosis or treatment.
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