Living in Oregon or Washington means living with moisture. We understand why home and business owners reach for DIY mold test kits. They do work to some degree, but these test kits provide limited information about what type of mold you’re dealing with or how serious the problem might be.
Over-the-counter kits also can’t identify the moisture source causing the mold, which is essential for actually solving the problem. This leaves you unable to assess the true risks of mold presence or make informed decisions about next steps.
Mold test kits available at your local hardware store or online may seem like an easy, affordable solution. But professional mold testing addresses this accuracy issue by comparing indoor and outdoor mold levels. Combined with the knowledge of experienced technicians, professional testing provides valuable context about your specific situation.
As mold testing professionals serving home and business owners across Oregon and Washington, we at Atlas Labs, Inc. believe you deserve honest answers when it comes to mold presence.
How Do Mold Test Kits Work?
Most mold test kits use one of two methods to collect samples: the petri dish and surface sampling methods. Both can tell you if mold spores exist in your space.
The petri dish approach involves placing it in an area where you suspect mold growth. You leave the dish open for a set period (usually 24 to 48 hours), allowing airborne mold spores to settle onto its surface. After the collection period, you seal the dish and either observe it for mold growth or send it to a lab for analysis.
With the surface sampling approach, you use a swab or tape lift to collect samples directly from surfaces where you see potential mold growth, like walls, ceilings, or bathroom tiles. You then send these samples to a lab to confirm whether mold is present.
Limitations of DIY Mold Test Kits
While old test kits may seem like a convenient solution, they come with significant limitations that can leave you with incomplete or misleading information. As professionals who test buildings for mold every day across Oregon and Washington, we’ve seen firsthand how these limitations affect home and business owners:
- Limited Accuracy: When a test kit detects mold spores, it might simply be picking up the natural background level that exists in every building, not evidence of a mold problem that needs attention. This means kits frequently produce false positives. A positive result might cause unnecessary worry and expense when there’s actually no real mold issue.
- Missing Critical Information: Most test kits cannot differentiate between dangerous types of mold and more benign varieties. This matters because not all molds are equally concerning. Black mold has gained a reputation for being particularly harmful, as it can produce mycotoxins that affect your health. Other common household molds (like Cladosporium, Penicillium, Aspergillus, and Alternaria) may be less dangerous but can still cause problems for people with sensitivities, allergies, or compromised immune systems.
- Possible Hidden Mold: Mold loves to grow in places you can’t easily see or access. Behind walls. Under carpets and flooring. Inside air ducts. In crawl spaces and attics. Around plumbing that’s tucked away behind cabinets. If mold is growing in these hidden areas, a petri dish sitting on your kitchen counter or a swab of a visible surface won’t detect it.
- No Context for Solving the Problem: Even when mold test kits do detect mold accurately, they provide no information about the source of moisture feeding the mold growth. This is a critical gap, because removing visible mold without addressing the underlying moisture problem means the mold will simply come back.
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What Happens When Your Over-the-Counter Testing Falls Short?
The Institute of Medicine found sufficient evidence linking exposure to damp indoor environments with upper respiratory symptoms, coughing, wheezing, and shortness of breath in otherwise healthy people. Also:
- For those with asthma, moldy environments can trigger symptoms. In children, mold exposure has even been linked to the development of asthma.
- And for kids, the elderly, and people with preexisting conditions, mold exposure can be particularly dangerous. The longer the mold remains in your space, the more concerning it becomes.
- When you’re buying or selling a home or building, you need mold documentation. So catching it early in the selling process will help prevent future headaches.
These are situations where professional mold testing provides the accurate, comprehensive answers that kits cannot.
What Professionals Offer
Professional mold testing provides a level of accuracy and completeness that kits simply cannot match. Here’s what makes the difference:
- Specialized Equipment: Professional air testing involves collection devices that draw in a measured volume of air, capturing airborne particles, including mold spores. This quantitative approach provides actual data about airborne mold levels.
- Comparative Analysis: By testing both indoor and outdoor air, professional testing establishes whether your indoor mold levels are elevated. This comparison is essential for accurate interpretation.
- Surface Sampling Done Right: Professional tape testing collects surface particulates for microscopic examination in a laboratory. This allows for direct identification of the specific mold types growing in your space, information that kits cannot provide.
- Laboratory Analysis: Professional samples are analyzed by trained laboratory technicians using proper equipment and protocols. This ensures accurate identification and quantification of mold types present.
- Expert Interpretation: Professional testing comes with results you can understand and use. You get clear information about what was found, what it means, and what your options are for addressing any problems.
Get the Answers You Need
While mold test kits might seem like an easy solution, the limitations of mold test kits mean they often leave you with more questions than answers. We provide mold testing services throughout Oregon and Washington.
Atlas Labs, Inc.’ experienced technicians deliver friendly service and accurate results for black mold (Stachybotrys) and other common types of mold. Our mold testing package includes one indoor air analysis, one outdoor air analysis, and one tape lift analysis of your furnace.
So don’t take chances with mold, take control of the situation with fast and accurate testing. Call us today to schedule your professional mold testing. You can also drop a sample off at one of our convenient locations.
Please note: We do not provide mold remediation services at this time.