The vibrant red fire retardant is known as Phos-Chek and has been used by firefighters battling wildland blazes for over 50 years, according to its manufacturer, Perimeter Solutions.

Water and Phos-Chek, a red fire retardant that prevents fire spread by creating a protective barrier on plants, are being used by firefighting planes to combat catastrophic wildfires in Los Angeles.

The trail of red clouds dropped over wildfires is known as Phos-Chek. This is a brand of long-term fire retardant.It has been used to fight fires since the 1960s, according to AccuWeather.. What ...

The vibrant red fire retardant is known as Phos-Chek and has been used by firefighters battling wildland blazes for over 50 years, according to its manufacturer, Perimeter Solutions.

An array of aerial firefighters have dropped thousands of gallons of red fire retardant liquid on LA in recent days, but have you ever wondered what all that liquid might do to a car?

As fire crews and air tankers work to block the wildfires' explosive growth, images of red clouds of fire retardant falling onto trees are common. What is it — and what's in it?

An LAist investigation found toxic heavy metals in samples of fire retardant collected from the Palisades, Eaton and Franklin fires. Here's what that means.

Not long after the Palisades Fire broke out Jan. 7, firefighting aircraft began drawing bright red lines with fire retardant across the Santa Monica Mountains, in an effort to slow and contain the ...

Authorities battling a series of large wildfires in the Los Angeles area have employed a bright red fire retardant to tamp the flames, leading to dramatic images of the material blanketing scores of ...

While flames may be the most visual wildfire danger, experts say smoke and fire retardant slurry can have long-lasting effects on human health and the environment. New research has linked wildfire ...

An array of aerial firefighters have dropped thousands of gallons of red fire retardant liquid on LA in recent days, but have you ever wondered what all that liquid might do to a car?