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Ozone for Mold Remediation - Why Not To Use

As technology continues to develop, the use of alternative forms of mold remediation are starting to become more prevalent in the mold cleanup and removal business. However not all forms of mold treatment are created equal. Today we will talk about treatments such as Gas Ozone Based Biocides and their effectiveness.

When you have a mold problem in a building it’s imperative to ensure that your mold remediation company is properly treating the mold contamination with effective measures. A few such measures that are becoming more widely used in this industry are ozone treatments. It’s important to know however, that according to the American Conference of Governmental Industrial Hygienists (ACGIH), “No gas- or vapor- phase biocides can effectively and safely remediate a mold contaminated building because of problems with biocide delivery, efficacy and toxicity.” Many different studies have proved that the amount of gas generated by an ozone generator is not concentrated enough to even keep mold from growing on surfaces and that ozone can increase sub-particles and react poorly with many products as it is a very strong oxidizing agent and tends to be unstable.

So be aware that mold and other fungal growth problems can usually only be properly remediated with chemical biocides and antimicrobials. If your mold remediation company is using a different method other than chemical, ask them to consult the newly written R520, which is a universal standard for mold remediation procedures and protocols.

Ozone has some uses when it comes to odor removal but is not a stand along defense for remediation.

We recommend contacting a reputable remediation company H2O911 is one company that SWFL Home inspections highly recommends.

Southwest Florida Home Inspections preforms all types of home inspections and testing for home buyers, owners, and builders. We service all of SW Florida including Ft. Myers, Naples, Bonita Springs, Cape Coral, Estero, Sanibel and Marco Island. We hold all required state licenses including Home Inspector, Mold Assessor, and Radon Measurement Technician. We are fully insured for all services provided. We preform mold and radon testing in house additional more specialized tests are available and can be scheduled trough us with a professional specific to those tests such as lead based paint testing, Chinese drywall testing and WDO / Termite inspections. All inspections are conducted in a timely and professional manner with some reports available with in hours of completing the inspection. We are interNachi certified, IAQ2 Certified, NORMI Trained providing you with the knowledge and professionalism to minimize your risk of investment when purchasing a home, condo, or any other type of property in South west Florida.

Please Call, text or email us at 239-994-5810 or

We are here to help you through your inspection process and answer any questions you have before, during and after the inspection.

Ozone machine - mold

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