Preventing, identifying, or treating mold infestations in the home.

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1answer
88 views

What could this blue ring on my ceiling be and what are my options?

Today I noticed that there was this brightish blue ring emanating from a crack from my ceiling. I hadn't noticed this before. Earlier this week my cat broke a full glass of water directly above it. I ...
6
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5answers
16k views

How do I get rid of mold from the bottom of a bath mat (where the suction cups are)?

We have a bathmat that we use to line the tub when we bathe our daughter. After the bath, we remove the mat and suction it to the shower wall (which is some sort of frosted glass) I've noticed black ...
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0answers
60 views

mold on exterior wall above kitchen exhaust grill

My kitchen cooker hood vents via aluminum pipes to the outside, terminated in a metal grille mounted on the exterior wall. Just above this grille is a horizontal concrete ledge, which is the bottom of ...
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2answers
747 views

How do I know which mold agent is best?

I've had several mold remediation specialists come to my home each touting their preferred EPA approved mold killing agent including: Cal-brite, Fiberlock Shockwave, Microban BotaniClean. I've looked ...
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3answers
1k views

What is the best way to repair and prevent cracking grout in a shower stall?

The grout in my main shower has developed cracks. They started small but over time they have grown and there are actual crevices in the grout. I've been using my guest shower so as to not cause mold ...
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5answers
17k views

How can I remove humidity from a room without a dehumidifier?

I've noticed a problem in my apartment that returns every winter - I get mold around the windows. This year the cold weather came earlier than usual and the mold appeared quickly in great amounts, so ...
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5answers
7k views

Inside of Washing Machine smells horrible. How to fix?

I bought a used Washing Machine (Miele W828) that looked to be in perfect condition. It actually works perfectly. However, the inside of the Machine smells horrible, like mildew. This smell gets ...
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2answers
74 views

How to fight with mold on wall and ceiling connection on last floor

I live in a 4 store old (from about 1930's) building. Occasionally (in autumn, winter or spring) all gable walls have mold/mould/fungus in the wall and ceiling connection. Under my flat there's only ...
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0answers
323 views

What is the cause of and how can I prevent mold on an interior wall close to my bed?

Our main bed is pushed against the corner in our room. There's a very small amount of space between the mattress and the two walls. We removed the frame and the headboard so that the box spring sits ...
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3answers
3k views

Solutions for a moist basement?

I live close to the water and there is a high water table around my house. Therefore a lot of water vapor passes through the basement walls. I would like to be able to store stuff in my basement and ...
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4answers
21k views

Why did insulation and vapor barrier cause mold in my storage shed?

I recently installed insulation in my garden shed and covered it with a plastic vapor barrier. This was done in the summer when the weather was warm and sometime humid. Shortly after I'd finished ...
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1answer
20 views

removal of mold in sump well that doesn't have a pump

How do I remove mold from the sump well water and on the sides of the well and also return the water to clear and not cloudy
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4answers
1k views

What are some methods to get rid of and prevent pink mold in the bathroom?

I have some pink mold on the seam where the bathtub connects to my wall tiles. There's also some on the grout on some of my tiles. I've tried to clean them with ajax. It doesn't get it all off. I've ...
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1answer
2k views

Detecting mold with a blacklight

I've heard anecdotally that mold will glow green under a black light (UV light). Is this true? There's a room in my house with a musty odor, and I'm trying to determine the source of the smell. ...
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1answer
114 views

How to get rid of mold on drywall

This bedroom was converted from a garage attached to the house. There's some black mold where the bed used to be. What's the best way to get rid of it?
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3answers
2k views

Is the lack of a vapor barrier in the attic causing my mold issue?

For the last couple of days we have noticed more and more mold growth on the ceiling throughout the house. Wondering what was going on, I climbed into the attic this past weekend and notice that no ...
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3answers
827 views

Mold in my bathroom is spraying bleach and painting over with Kilz enough?

I live in an apartment and I noticed what I believe to be mold growing on my bathroom ceiling. I have a daughter with asthma and I now know it's the cause of her constant coughing since we moved here. ...
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2answers
892 views

Should I redo this wall to avoid a mold sandwich?

Hello Internet DIYers! I'm in the process of remodeling my bathroom and I've just realized something I might have done wrong around my shower. One of the two walls of the shower is an exterior ...
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1answer
252 views

greenish gray mold on wooden window frame

Does anyone know how to deal with greenish gray mold on the border of my window frame with my Insulated glazing? I've never had mold before and my house is 32 years old and very well insulated. The ...
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3answers
6k views

How to manage mold growing along the bottom vinyl window frame of every window in an R2000 home?

We have a lot of windows in this house, for some reason black mold grows along the bottom of each from basement to upper floor. Its and R2000 so we don't pump any moisture into the house and we run ...
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2answers
147 views

Why is my new house making me sick?

I just moved into a new house and my son and I have been experiencing tightness in the chest and asthma. When we leave the house and are out and about; the symptoms are gone. Our bathrooms have no ...
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0answers
87 views

Will sealing ceramic floor tile in the bathroom prevent mold?

We have never sealed our bathroom ceramic tile / grout. Will this allow mold to grow easier?
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2answers
957 views

How do I treat mold and mildew in shower grout?

I have a tiled shower in an older house, and it's been a struggle to keep the grout clear of mold and mildew. I'm planning on installing a bathroom vent to prevent future buildup, but in the ...
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1answer
186 views

Hole in the floor

I bought an older house and it has a rectangle hole in the living room. It is covered with the register and it looks like an intake. I don't fully think it was used as an intake as the furnace is on ...
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1answer
359 views

How can I prevent mold on the wall/particle board behind the kitchen sink?

Behind the kitchen sink I noticed this deteriorating situation happening so I took it apart until I found no more mold and then washed with bleach (1 tbsp to 1 gallon) and let it dry good. It's all ...
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1answer
258 views

Is this mold on my AC vent?

I went to close the AC vent in the apartment we're renting and saw this. Is this mold or just many years of dust buildup? If it is mold, can I safely just remove the vent and wash it?
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1answer
186 views

Are molds dangerous to health if they are not in my own apartment?

I need a help to decide if I will move out from this building because of mold and health risks. Is it dangerous to live in a buliding in which the hallway is full of mold? I've been reading about ...
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4answers
9k views

How to permanently remedy a patch of mold on a ceiling from a water leak above?

I recently discovered that water was dripping from the ceiling light fixture in a first floor bathroom. It turned it was due to a toilet leak (faulty wax ring) in a bathroom directly above. The ...
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4answers
1k views

What is the best way to seal this old fireplace vent?

I am doing some minor renovations to my basement with the drop ceiling and found that one of the geniuses that owned the house before me, used fibreglass ceiling tiles to seal off an old vent for a ...
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8answers
27k views

How do I clean a very dirty refrigerator?

I just got a new house and inherited a very moldy and mildewy refrigerator. My first though it to get some cleaning spray with bleach and just go to town, but I'm worried the bleach might damage the ...
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1answer
452 views

Is it safe to use apple cider vinegar / baking soda to remove mold on (soft) plastic?

Will the (soft) plastic be eroded or produce bad chemical due to the low / high pH?
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1answer
1k views

How do I source, remove, and prevent green mold on my aluminum windows?

I live north of the equator in a humid climate. The 2 north-facing windows pictured below only get direct light (lots of it) in the evening. We get a lot of rain. There is green mold growing from ...
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1answer
86 views

Trimming timber support to remove suspected mold

I am doing some plumbing work on a shower that has not been used for several years. It previously had a slow leak that caused a damp spot on the ceiling below. I noticed a small patch of black mold ...
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1answer
912 views

Cleaning grout under caulk line (between tile and tub) before re-caulking?

I have a 1.5 year old condo and I recently pulled the old caulk job the builder put in, and found they grouted between the tub and tiles and just caulked over it. The grout is discoloured in places ...
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1answer
2k views

How do I prevent mold in drywall mud pail?

I just opened my pail of drywall mud and discovered mold on the sides. It has been a few months since I last opened it. This happened to me a few years ago. I tried using the mud anyway, but the bad ...
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1answer
317 views

Is mold remediation effective in the long term?

Our home inspector just found serious mold problems in a home we are considering buying. The seller are willing to pay for remediation, but I'm very concerned about the possibility that mold would ...
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1answer
153 views

Contractor vented bathroom vents in attic, now I have mold. Is he accountable? [closed]

A few years ago I bought a home. The inspector found mold in the attic and pointed out that the upstairs bathrooms did not have vents. I remediated the mold and had an electrician install vents that ...
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3answers
4k views

Something in my home is making my family sick. How do I determine what it is?

My wife and I moved into a new rental house two months ago. Our small dog, my wife, and myself have all started experiencing symptoms such as headaches, runny nose, constant congestion, cold-like ...
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1answer
977 views

Is there a quick cure for refrigerator drip tray stink?

My fridge has a bad stink that has been getting worse lately. I can clean it out and temporarily fix it with vinegar ,bleach, and/or baking powder, but these are not long term fixes. When the water ...
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4answers
5k views

Mold on Ceiling on Flat Paint

Not sure what exactly the line of thought was here, but my bathroom walls were painted with flat paint. While there is a fan in the bathroom, I'm not exactly sure how well its working, as it seems ...
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1answer
186 views

What are the tools and procedures of a re-grout task in shower room?

I found some black mold on shower grout; and some grout may need to be re-grouted. Please refer to three red-circles in the attached photo. Would you like to let me know the right tool, material (like ...
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1answer
80 views

Mold and pop-up drains

Earlier today I realized that I had a major leak underneath my bathroom sink. It soon became clear that I would have to replace the entire pop-up drain assembly. After all the hardware was removed, I ...
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1answer
876 views

How can I fix this moisture problem to stop mold growing?

Background and The Problem I am trying to solve the problem of mold growing on my bedroom ceiling. The house is a California Bulgalow built in about 1940. The house is single-brick with plaster ...
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2answers
82 views

How to test for mold in basement?

The air quality in my basement is unpleasant. I don't know if I have mold. How to test for it? How is the smell of mold? I know that we had a water problem in the basement, the walls were cracked so ...
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3answers
2k views

Need to know if this is mold or not

This may be an obvious answer to some but I know next to nothing about molds / fungus etc. Is this mold, or black mold? I've been finding it throughout my house, usually by window sills, and am hoping ...
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6answers
6k views

Should I spray down the shower with a diluted bleach solution after using it?

I have a tile shower in the basement that is not very well ventilated. My mother-in-law suggested a spray bottle of 1/2 bleach, 1/2 water, and spraying it around the surfaces of the shower after ...
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1answer
333 views

Would removing the back-board of cupboards help against mould/mold?

Would removing the back-board of cupboards help against mould/mold? In our new (to us) semi-basement flat we have a relatively small condensation problem, generally behind cupboards... kitchen ...
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1answer
2k views

Would retiling a shower with larger tiles mitigate mould growth on the grout?

I am about to update my walk-in shower which has an electric shower, single sliding door and tiled walls with white grouting. I have never been happy by how frequently the grouting turns black and ...
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1answer
897 views

What could be causing these mold issues in my brick townhouse?

Live in a town house in Virginia built in 1970's. We have lived there for about 12 years. Two weeks ago I noticed a picture hanging on my bedroom wall was wet and discolored. I moved the picture ...
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2answers
161 views

How do I remedy mold/mildew that has appeared since blocking off ventilation?

I have a Ranch home with a finished rec room in the basement. It is our second year in the house. We had no mold/mildew problems last year. I put new carpet in the family room above basement and I ...