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Choosing and Using the Right Mold and Mildew Fogger

Updated on August 29, 2016
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Melody is a CDC Committee volunteer and activist who has been fighting and educating others about bed bug infestations for years.

Mold can make people sick.
Mold can make people sick. | Source

Anti Mold Removal Consumer Regulations

Before you begin killing mold with remediation foggers, you may want to check your states legislation about mold remediation. The older your state is, the more likely these regulations and laws are heavily in place.

The EPA publication A Brief Guide to Mold Moisture and Your Home is a fantastic place to start if you really want to learn about mold remediation and removal.

About Mold Remediation and Foggers

Why To Use a Mold Fogger

Where Can I Use Mold Foggers?

Killing Mold, Removing Mold and Fixing The Problem

Choosing the right mold fogger is the first step in protecting your home or businesses against the smells and stains of mildew and mold cause. However, the fog itself is not remediation.

Foggers do kill mold spores, however remediation refers to the removal of not just the mold, but of any material infected by the mold. There is a point of no return for some materials. If that is the case then a professional mold remediation company should be sought.

Mold fog comes in two forms. For smaller spaces, prevention and minor mold issues an aerosol mold fogger is often sufficient.

For larger spaces, or more invasive mod problems, a Cold Fog Machine may be needed.

Mold fog as part of a remediation plan is useful for killing mold spores and removing mildew from:

  • basements
  • bathrooms
  • closets
  • cars
  • crawl spaces
  • sheds
  • garages
  • RVs
  • walls, wood and drywall
  • Wooden Decks
  • Attics
  • Cabinets
  • Window sills
  • Furniture

They also help kill viruses and bacteria in mold spores.

Leaving mold spores behind is dangerous, and not recommended by the industry standard setters, The Institute of Inspection Cleaning and Restoration Certification. If you are interested in first hand industry information read publication S520 .

The moisture that leads to mold needs to be dealt with. Taking care of the cause is the best way to prevent mold. Treating mold with foggers will kill and remove mold, and slow the rate at which it returns.

Once you have mold, foggers are one step in getting rid of it. After you have fogged the mold must be removed and the material the mold grows on must be inspected. There is always a chance that the source material needs to be removed.

Think about it this way, a dead spore is still a dangerous spore. In fact, no only must there be an agent to kill the mold, and a person to remove it, there must also be someone to understand why the mold grew and steps must be taken against moisture and leaks.

Mold remediation fogger can remedy and prevent the following types of mold:

  • aspergillus
  • cladosporium
  • stachybotrys chataru, (also known as black mold).
  • Fusarium (carpet mold)
  • Penicillium (blue green mold, water damage mold)

If you are reading this, chances are that you already have a mold problem.

If that is the case, then you already know the issues associated with mold. The smell alone is enough to place a person in distress.

Most of these molds cause and worsen lung disorders. One or two exposures it may not be noticed, but over time it can cause serious problems for the elderly, young and asthmatics.

Another health concern cause by mold spores are those nasty the viruses and bacteria that are often trapped in the mold.

Stains left behind are unsightly and need to be taken care of as well.

In steps the release of noncommercial mold fogger. Now home owners and small business owners can maintain mold issues on a regular basis.

How To Get Rid Of Mold

DIY aerosol mold removal fogger insctructions

How To Use DIY Aerosol Mold Fogger (in a can)

How Long Does Take To Remove Mold?

Using an anti mold fogger is a process that goes in steps. The fogging itself doesn't take more than half an hour (time varies by product). Once product is despensed, it must be left to sit for at least two hours. Most of your time is spent in the preparation and removal parts. The fogging part takes little intervention.

Steps for mold fogging (canned fog):

  • Clean all surfaces, vacuum and cover anything that you don't want the chemicals on.
  • Note the size of the room, and check can for coverage. (Large rooms may need more than one can, or a cold fogging machine treatment instead.
  • Read all of the instructions included with the fogger.
  • Place can in center of room in a spot with no obstructions.
  • Open lid on aerosol fogger and release trigger by pressing until you hear a click.
  • Quickly leave area before mold fog is spewed from the can (between 10 and 60 seconds).
  • Keep room vacated for at least two hours, or however long it says on the bottle.
  • If using aerosol canned mold fog for prevention, stop here.
  • If using on mold clean up/remediation the mold must be cleaned and removed at this point.
  • Infected surfaces need to be scrapped, sanitized and cleaned.
  • Some mold spores can cause serious health problems. Use protective gear, such as a rebreather mask and gloves (you can get these at Home Depot or Lowe's, and online at Amazon).

After this you will need to wait at least four hours before you do anything else. This gives the time for the fogger to do its job killing the mold, spores and hidden bacteria and viruses.

One product I really like, while not commercial, is Concrobium Mold Bomb by Biocide Laboratories. Out of all of the mold bombs on the market, I feel that theirs comes with the MOST CLEAR instructions. Plus, it works well.

You might notice a strange smell for a day or two, and it can take up for four days for the mold smell to dissipate. Once you stop smelling the mold you know that the fogger has done its job and is a mold killer.

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Getting Rid of Mold in Homes and Businesses

There are lots of mold removing products at the grocery store (though remember they kill the mold, and you are the remover); however, it is common for the product to clear mold for a few days or a week, and then see the mold return.

This means a lot more work for you because you will have to keep cleaning against the mold. If dead mold spores are not eradicated you will be stuck in a loop, and NEED a professional.

The best reason to use a mold fogger is that it treats a large area at once. Not only does it get rid of what you see, it gets rid of what you don't see.

Mold foggers are found most often at the hardware store and online.

Because it has a broader spectrum mold foggers are great at long term treatment.

In bathrooms and damp basements, one treatment can last many months.

In dry areas, or areas where the moisture problem is fixed, you might only need one treatment.

Many people do not even know that mold foggers exist, while others claim that mold foggers are cheaper and better than getting a professional. This depends on your ability to remove mold, and the material affected. If a support beam or something major like that is highly contaminated, call a professional because this project will be large.

Once mold fogger begins to spray you need to be clear from the area.
Once mold fogger begins to spray you need to be clear from the area. | Source

Mold Fogger Application

Mold foggers have a wide variety of uses. You want to check the product that you use to make sure it meets your needs.

Molds foggers very, but can be approved for use on:

  • Concreate
  • Wood
  • Carpet
  • Furniture
  • Paint
  • Wallpaper

When my family was buying a used motor home we knew it needed some work. It was a good deal and a few repairs needed to be made. It smelled of mold, but we used a mold fogger inside. After about a week, all traces of the mold, and the smell was gone.

It can be used inside of outdoor trash cans as well. Most all purpose foggers can be used in almost any application you can think of. If you have small children and pets inside of the home, then extra care needs to be taken.

When there are small children and pets, you may need to allow extra time before allowing them to enter the area.

Mold foggers are an amazing product for getting rid of pesky mold problems. Before these products were developed you would have to spend hundreds or thousands to take care of mold issues. As with most technology, the development of mold foggers has made it easier, quicker and cheaper.

If you happen to own a small business, then the mold is not just a safty issue, but can be a leagal problem. Profesionals tend to use larger, more powerful mold foggers, such as the Concrobium Tri Jet fogger.

If you are a home owner dealing with a large mold problem, it is OK to go this route. However, you need to research commercial foggers and invest in rebreather masks.

Natural Mold Remediation Option

Concrobium Mold Foggers

Concrobium mold control is one of the most preferred natural mold spray for do-it-yourselfers. I chose this type of mold control because it has multi-use applications.

I prefer Mold Control Concrobium, as opposed to similar products such as Fog U Mold. Either way these products are easy to find at stores such as Home Depot, Lowe's, Walmart or online.

I use Concrobium with a Cold ULV fogging machine. However, you can get the same stuff in an aerosol mold fogging can.

It is safe to use on most surfaces, such as wood and carpet. While the initial smell of Concrobium foggers and aerosols are initially overwhelming, instructions are clear about giving the product time to work by vacating.

My personal choice to use this product is its natural base. That means that the product is not as toxic as many as its counterparts. The aerosol is great for Rvs, homes and apartments.

Large basements, garages and outbuildings need more than one can. On the can there are instructions that explain how much area each can covers. In large areas, a cold fogging ULV mold fogging machine gives supreme coverage.

You can do concrobium treatments yourself. However, if you don't have a cold fogging machine for larger areas, you may want to rent one or call in a professional.

Be aware that most professionals treatments are not natural; instead they rely on the heavy foggers. Croncrobium is unlike other brands because it is not a thick fog.

I like natural products, but I understand that there are many people who are bothered by mold, especially toxic mold that must rely on heavy chemical mold treatments.

Steps to take before you buy a mold fogger:

  • Identify the mold type and classification.
  • Learn about local mold legislation.
  • Weigh the risks an dangers of mold against the dangers of the product.
  • Consider having the mold tested.
  • In sever cases, call a professional.


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    • teaches12345 profile image

      Dianna Mendez 2 years ago

      I didn't realize this product existed. Thanks for the helpful advice.

    • BlossomSB profile image

      Bronwen Scott-Branagan 2 years ago from Victoria, Australia

      Thanks for the useful advice.

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