But what is Phos-Chek fire retardant and is it safe ... First, the flame retardant powder is mixed with water to create a foam or slurry that is easy to spread across affected areas.

Parts of Southern California are covered with pink fire retardant as firefighters try to control deadly wildfires raging in ...

Los Angeles firefighters are using Phos-Chek, a bright pink fire retardant, to combat wildfires threatening lives and property. Developed by Perimeter Solutions, Phos-Chek helps slow the spread of ...

Phos-Chek, the pink fire retardant that firefighters are dropping on LA County, is actually reasonably safe for cars. It’s noncorrosive, it washes off with regular soap and water, and even that ...

Phos-Chek is an aerial fire suppressant, generally a mixture of water, ammonium phosphate—essentially fertiliser—and iron oxide, which is added to make the pink flame retardant visible.

The eye-catching substance — seen coating homes, cars and yards in photographs from the evacuation zones — is called Phos-Chek, and has been used to fight fires for more than 50 years.

"It's primarily a product called Phos-Chek ... which is sold by a company called Perimeter," Daniel McCurry, an associate professor in civil and environmental engineering at the University of ...

The substance, vivid against the grey smoke and charred landscape, is fire retardant – much of it a product called Phos-Chek that has been used by the US Forest Service since the 1960s.

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. Between 2009 ...