Proudly Serving San Diego County and Beyond!
Proudly Serving San Diego County and Beyond!
One of the most effective tactics used by fire agencies during active wildfire incidents is the aerial application of fire retardant to establish protective barriers and slow fire progression. However, these aircraft drops are dependent on favorable flying conditions such as daylight, low wind, and clear visibility.
Hotshot Fire Protection takes a proactive approach. We apply a long-term fire retardant treatment to your property before conditions become critical. Using our mobile pumping system, we pre-treat vulnerable areas with Phos-Chek, a non-toxic, biodegradable, and colorless fire retardant designed to help reduce ignition potential and enhance property protection.


Phos-Chek® is a trusted fire retardant product widely used by wildfire agencies to slow the spread of fire and reduce ignition potential. It has been deployed for decades as part of frontline wildfire suppression efforts across the United States.

Phos-Chek® works by altering the way vegetation and combustible materials burn. When applied, it helps prevent ignition and reduces flame intensity, creating a protective barrier that supports defensible space and fire mitigation strategies.

We use Phos-Chek® because it allows us to proactively treat vulnerable areas before wildfire conditions become critical.
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