Mold Testing

Servicing Charleston & the Grand Strand

Why Mold Testing is Important

It’s imperative that everyone is safe from mold and the viruses they can cause, which is why we offer mold testing. Bactronix utilizes a non-invasive, safe, quick mold detection process that is friendly for pets and people. Our state of the art mold detection technology is used in homes, hotels, commercial buildings,  the food and beverage industries, health care and pharmaceutical industries, hospitals, restaurants, supermarkets and other facilities where rapid detection of contamination is critical.

Protects Health
Prevents Hidden Growth
Improves Air Quality
Saves Money from Future Remediation
Safeguards Property
Reduces Odors
Protects Vulnerable People
Guides Remediations
Boosts Resale Value
Peace of Mind

Quick Facts About Mold Testing

Mold testing is a key step in checking for hidden mold problems in your home that you can’t see or smell right away. Mold thrives in damp spots with temps over 40°F and some organic stuff to feed on, and it can start growing in as little as 24 to 48 hours after a leak or flood. While you might spot visible mold on walls or ceilings, testing—using air samples, swabs, or tape lifts—helps uncover it in hidden areas like inside walls, HVAC systems, or under carpets. The main goals are to pinpoint where the mold is growing and figure out what’s causing the moisture, so you can fix the root issue and stop it from coming back.

That said, experts from places like the EPA and health departments often say testing isn’t always needed if you can see or smell the mold—just clean it up and dry out the area. There are over a million types of mold out there, and only a handful like Aspergillus, Stachybotrys (the infamous black mold), or Penicillium are really toxic and can cause serious health issues, especially for folks with allergies, asthma, or weakened immune systems. If you’re dealing with ongoing health symptoms or suspect widespread growth, though, professional testing can identify the type and extent, guiding safe removal. It’s pricey, usually $300 to $1,000 depending on the home size, but it beats letting mold spread and cause bigger damage or health woes.

Regular mold testing makes sense in high-risk spots like basements, bathrooms, or after water damage, but prevention is even better—keep humidity below 60%, fix leaks fast, and use exhaust fans. Sampling isn’t foolproof since mold levels vary naturally indoors and out, so results need context from a pro. In the end, testing gives you peace of mind and facts to act on, but combining it with good ventilation and moisture control is the real way to keep your home mold-free and healthy.

What is Mold Testing?

Mold testing is the process of checking a home or building for the presence of mold, often when it’s not visible or when health issues suggest it might be lurking. It involves collecting samples—through air testing, surface swabs, or tape lifts—to identify the type and amount of mold present. These samples are usually sent to a lab to determine if harmful molds, like Stachybotrys or Aspergillus, are growing and to pinpoint moisture sources causing the problem. Professionals use specialized equipment to detect mold in hidden spots like inside walls, HVAC systems, or under flooring, ensuring a thorough assessment.

The goal of mold testing is to figure out if mold is a health or structural risk and to guide proper cleanup. While visible mold can often be addressed without testing, professional testing is useful for persistent issues, post-water damage, or when buying a home. It’s not a one-size-fits-all fix—results need expert interpretation since mold levels vary naturally. Testing typically costs $300 to $1,000, (We are typically much more affordable than the majority of other mold testing companies in the area), but it provides clarity on whether remediation is needed and helps keep your home safe and healthy.

Frequently Asked Mold Testing Questions

What are the some of the importances of professional mold testing?

Health Safety: Identifies harmful mold species that may cause breathing issues, allergies, asthma, or infections.

Early Detection: Prevents property damage and costly remediation by detecting mold before it spreads.

Accurate Results: Certified inspectors use advanced techniques to provide objective lab-based results.

Regulatory Compliance: Supports safety standards and real estate transactions with documented testing.

Moisture Source Identification: Detects water leaks or high humidity areas, which are critical to preventing recurrence.

What could you expect when getting professional mold testing?

Professional mold testing typically involves a detailed walkthrough, air and surface sample collection, moisture assessment, lab analysis, and a comprehensive report with recommendations. Many companies also offer guidance for remediation and post-remediation clearance testing to ensure mold has been eliminated completely.

Whether for residential or commercial properties in your area, engaging a certified mold testing specialist helps safeguard health, maintain property value, and ensures that any mold issues are accurately identified and addressed.

How do you interpret spore levels?

0–500 spores/m³: Very low, normal; typically no action required.

501–3,000 spores/m³: Low to moderate; investigate moisture sources and consider cleaning.

3,001–10,000 spores/m³: Elevated; indoor mold presence likely, professional remediation may be needed.

10,001+ spores/m³: High to extremely high; professional cleanup essential, address moisture problems immediately.

Special attention should be given to toxic molds like Stachybotrys (black mold) and Memnoniella, which are dangerous even at low concentrations and require immediate remediation

When should you test your home for mold?

See visible mold growth

Smell musty odors

Know about or suspect water damage

Have suffered recent flooding or leaks

Experience sudden health problems (headaches, coughing, sneezing, watery eyes)

If any of these scenarios apply to you, it’s time to get your home tested for mold. In addition, if you are planning on selling your home, potential buyers may also request a mold test as part of their due diligence

What types of mold testing are there?
  1. Air Sampling
  2. Surface Sampling
  3. Bulk Sampling
What are the steps of mold testing?

A professional mold test usually begins with an inspector looking for signs of mold, such as water stains, musty odors, or visible mold growth. They will also check for conditions that could lead to mold growth, such as water leaks or high humidity levels.

After the inspection, the inspector will take mold samples from different areas of the home or building. Typically, they will take surface samples and air samples – from both inside and outside your home. These samples will then be sent to a laboratory for analysis.

Once the mold test results are received, the inspector will provide a report that includes the type or types of mold present and the concentration of mold spores in the air. The report will also include recommendations for addressing the problem.