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Water Damage Articles & FAQs

Articles and frequently asked questions about water damage.

Do DIY Mold Tests Work?

Do DIY Mold Tests Work?
5 (100%) 2 votes

Andy D. from Schiller Park asked us if the DIY mold test kits from or are accurate. Guess what Andy? They are and here’s why. First, the air you breath every day is full of mold spores. Scary names like Aspergillus, penicillium, stachybotrys, and cladosporidium are as common as oxygen, nitrogen, and carbon dioxide. Therefore, these little plastic trays which are left out in the open air for 24 hours capture all these mold spores. When you send it in to the lab, they send you a report listing all the mold types they found.

Should You Worry If Mold Is Found?

DIY Mold Test can help prevent serious damage

Since mold naturally occurs and is virtually everywhere, why do we need to worry? Think of it this way. It’s kind of like the air we breath. If there is too much carbon dioxide, we don’t get enough oxygen. If there is too much methane or carbon monoxide we can die. I’m talking large amounts here, but you get the picture. We breath in bad stuff all the time, but our bodies are able to filter it.

In the case of mold, it’s time to worry when the mold you’ve detected is out of control. If you have conditions in your home or business for mold to flourish, you could end up getting sick from the large quantities of mold. Large amounts of anything, besides maybe sex, is bad for you. I’ve actually heard a story on the radio about a guy who died from too much sex, and the wife was suing his doctor because he said he could. That’s another story for another time. Anyway, out of control mold will also destroy your home eventually. It’s unsightly and usually has a specific odor.

These DIY Mold Tests can be helpful to see how much mold you have. Instead of leaving the dish out for 24 hours, try 1 hour and see what happens after you’ve placed it in a dark place for 24 hours. If your tray has colonies of mold growing, you probably have high amounts of mold spores. But what you really need is a test that shows whether your home or business is hospitable to mold growth. Damp basements with stagnant air are breading grounds for mold. Dry air with good air flow is not good for mold.

DIY Mold Test or Professional Testing

If you’re not sure how to use a DIY Mold Test Kit, you’re best course of action would be to contact our office and schedule an appointment. We’d be more than happy to check for you. A professional examination of your home or business will find out the moisture content of your property, air flow, temperature, and other things needed for mold to multiply.

If you do decide to buy a DIY Mold Test Kit, we recommend buying two kits. The most common DIY Mold Test Kits from or require you to send in your kit for analysis. By sending buying two kits, you can send in each kit at different times to see if your mold is getting worse, or better. Don’t wait too long between samples – 1 day apart should be fine.


  1. Mike B wrote:

    Finally! A site that tells the truth about mold and the test kits. You guys deserve a medal for honesty.

    Tuesday, October 2, 2012 at 10:07 pm | Permalink
  2. Thanks Mike. Yeah, we don’t like the crap others are saying about mold and thought it’s time to clear the air. It would be cool to get tons of mold remediation orders but from a business perspective it’s better if we educate first. Think of the food we buy at the grocery store. Did you know there are things in our food that could kill us? But the FDA sets safe limits so that food production doesn’t come to a standstill. Mold prevention is all about controlling the conditions that allow mold to thrive.

    Saturday, October 6, 2012 at 9:52 am | Permalink

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