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 ...

We may earn a commission from links on this page. Well, as it turns out, not really. Phos-Chek, the pink fire retardant that firefighters are dropping on LA County, is actually reasonably safe for ...

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.

But what is Phos-Chek fire retardant and is it safe? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Pink fire retardant is raining from ...

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.

Los Angeles County has declared a public health emergency because of the smoke. The powdered substance being sprayed over the wildfires is called Phos-Chek. It can be dropped from the air or applied ...

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 ...

What is the pink fire retardant? The substance is Phos-Chek, a fire retardant, widely used across the US since the 1960s. Manufactured by a company called Perimeter Solutions, it is the most-used ...

But what exactly is in it, and how does it help fight the wildfires? The flame retardant is a product called Phos-Chek, which is sold by a company called Perimeter. It has been used to fight ...